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

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**bobbym****Administrator**- From: Bumpkinland
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**In mathematics, you don't understand things. You just get used to them.**

**I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.**

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**mathaholic****Member**- From: idk
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No, right?

21. Back to normal! 89 + 2 = p25 - 6 = ?

22. p18 - p4 = ?

*Last edited by mathaholic (2014-01-03 17:08:37)*

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**bobbym****Administrator**- From: Bumpkinland
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No is correct for 19 - 20.

**In mathematics, you don't understand things. You just get used to them.**

**I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.**

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**mathaholic****Member**- From: idk
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For 21: 91.

22. 61 - 7 = 54.

23. Is 2:17 prime?

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
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What is 2:17?

**In mathematics, you don't understand things. You just get used to them.**

**I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.**

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**mathaholic****Member**- From: idk
- Registered: 2012-11-29
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Logic hint: Convert it to seconds, and then answer is it prime?

I will have a name change soon. By the way, welcome to the Philippines, Pope Francis!

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,879

**In mathematics, you don't understand things. You just get used to them.**

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**mathaholic****Member**- From: idk
- Registered: 2012-11-29
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137 is prime.

Next questions tomorrow

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**bobbym****Administrator**- From: Bumpkinland
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Hi mathaholic;

I will be here, same bat time, same bat channel.

**In mathematics, you don't understand things. You just get used to them.**

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**mathaholic****Member**- From: idk
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I mean in my time.

23 should have been 24, lol.

25. What is 1/4 of p16?

26. How many hours are there in 67 days?

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
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**In mathematics, you don't understand things. You just get used to them.**

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mathaholic wrote:

Logic hint: Convert it to seconds, and then answer is it prime?

bobbym does not like Logic

'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'

'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'

'You have made another human being happy. There is no greater accomplishment.' -bobbym

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
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Oooga chaga, ooga chaga, ooga ooga chaga...

That is true. Boole was a nut too.

Same bat time, same bat channel.

**In mathematics, you don't understand things. You just get used to them.**

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**mathaholic****Member**- From: idk
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Sorry bobbym.

Now, what is the answer to the questions?

I will have a name change soon. By the way, welcome to the Philippines, Pope Francis!

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**bobbym****Administrator**- From: Bumpkinland
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That is a joke. Your questions are fine. The questions have already been answered and I must leave now.

**In mathematics, you don't understand things. You just get used to them.**

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**mathaholic****Member**- From: idk
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27. What is p14 - p4?

28. What is p29 - 52?

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,879

**In mathematics, you don't understand things. You just get used to them.**

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**mathaholic****Member**- From: idk
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Okay.

29. What is p19 - p3[sup]2[/sup]?

30. What is the square root of the largest known prime number?

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,879

**In mathematics, you don't understand things. You just get used to them.**

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**mathaholic****Member**- From: idk
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Unbelievable answer for 30.

31. What is p222 - p199?

32. What is the square root of the above?

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**bobbym****Administrator**- From: Bumpkinland
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Hi;

The largest known prime has 17425170 digits. Now is it believable?

**In mathematics, you don't understand things. You just get used to them.**

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**mathaholic****Member**- From: idk
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I know that. As in the square root.

33. Square p33.

34. Square p1 6 times.

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
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The square root will have roughly half as many digits.

**In mathematics, you don't understand things. You just get used to them.**

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**mathaholic****Member**- From: idk
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Oh. People not smarter than you may think 2[sup]6[/sup] in 34, or 64. That's good. i said square. Not power right?

35. 5^p2-(p4-p2)

36. 48 + (p20 - p12)

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,879

**In mathematics, you don't understand things. You just get used to them.**

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