Math Is Fun Forum
  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

You are not logged in.

#76 2014-01-25 23:24:58

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: Prime Number Challenges


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#77 2014-01-31 20:48:24

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,845
Website

Re: Prime Number Challenges

57. 2^(57,885,160-(15,485,863+15,485,864))-p500
58. 3^p19-1828328


"Double the fun, double the thrill, double the coolness" - Julianthewiki

Offline

#78 2014-01-31 21:29:48

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: Prime Number Challenges

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#79 2014-02-01 12:16:01

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,845
Website

Re: Prime Number Challenges

Okay.

59. 4^p3-57
60. Square root if it is composite. Square number if it is prime.


"Double the fun, double the thrill, double the coolness" - Julianthewiki

Offline

#80 2014-02-01 18:24:50

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: Prime Number Challenges

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#81 2014-02-01 18:59:58

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,845
Website

Re: Prime Number Challenges

59. Square
60. Add the digits.

Bonus! If prime, square. If composite, final.


"Double the fun, double the thrill, double the coolness" - Julianthewiki

Offline

#82 2014-02-01 21:48:56

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: Prime Number Challenges

Hi;

Square what?


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#83 2014-02-01 22:05:30

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,845
Website

Re: Prime Number Challenges

Um, I have my own common sense. The item number.


"Double the fun, double the thrill, double the coolness" - Julianthewiki

Offline

#84 2014-02-01 22:10:33

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: Prime Number Challenges


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#85 2014-02-02 12:57:05

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,845
Website

Re: Prime Number Challenges

Now, the bonus part. Regardless of how many digits the number has, do the bonus.


"Double the fun, double the thrill, double the coolness" - Julianthewiki

Offline

#86 2014-02-02 12:57:55

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: Prime Number Challenges

Where is the bonus part?


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#87 2014-02-02 12:59:06

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,845
Website

Re: Prime Number Challenges

mathaholic wrote:

59. Square
60. Add the digits.

Bonus! If prime, square. If composite, final.


"Double the fun, double the thrill, double the coolness" - Julianthewiki

Offline

#88 2014-02-02 13:07:50

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: Prime Number Challenges

Does 60 want to add the digits of 59^2?


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#89 2014-02-02 13:37:48

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,845
Website

Re: Prime Number Challenges

The bonus either wants you to square if prime, or that is already the final answer if composite.


"Double the fun, double the thrill, double the coolness" - Julianthewiki

Offline

#90 2014-02-02 13:38:43

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: Prime Number Challenges

Which one 59 or 60?


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#91 2014-02-02 15:58:37

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,845
Website

Re: Prime Number Challenges

Since you can't answer it, here is the solved puzzle:

59. 3481
60. 16

Bonus: 16


"Double the fun, double the thrill, double the coolness" - Julianthewiki

Offline

#92 2014-02-02 22:26:07

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: Prime Number Challenges

But I did answer the questions over in post # 84.


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#93 2014-02-06 13:04:00

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,845
Website

Re: Prime Number Challenges

Okay then.

61. 5-p38 (abs)
62. square root, then add the digits.


"Double the fun, double the thrill, double the coolness" - Julianthewiki

Offline

#94 2014-02-06 13:12:41

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: Prime Number Challenges

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#95 2014-02-07 13:46:15

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,845
Website

Re: Prime Number Challenges

Oh grr.

63. p6 - p5
64. answer in 63 + p99


"Double the fun, double the thrill, double the coolness" - Julianthewiki

Offline

#96 2014-02-07 14:00:10

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: Prime Number Challenges


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#97 2014-02-07 17:12:35

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,845
Website

Re: Prime Number Challenges

Okay.

65. p65 - p232 (abs)

66. reverse, then square root


"Double the fun, double the thrill, double the coolness" - Julianthewiki

Offline

#98 2014-02-07 21:47:05

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: Prime Number Challenges


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#99 2014-02-08 13:20:00

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,845
Website

Re: Prime Number Challenges

Yako.

67. p99 - c2

68. reverse, then product of digits


"Double the fun, double the thrill, double the coolness" - Julianthewiki

Offline

#100 2014-02-08 13:31:27

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: Prime Number Challenges

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

Board footer

Powered by FluxBB