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#1 2013-09-23 00:36:45

auyeungyat
Member
Registered: 2013-09-23
Posts: 22

How it's coming?

You pick a number(3 numbers),multiply by 7,11,13,(example:123X7X11X13=123123)
How it comes?

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#2 2013-09-23 00:51:10

bob bundy
Moderator
Registered: 2010-06-20
Posts: 6,789

Re: How it's coming?

hi auyeungyat

Welcome to the forum.

I have changed the {} into [] so that your answer is hidden.  smile

Bob


You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei

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#3 2013-09-26 21:50:03

mathaholic
Member
From: idk
Registered: 2012-11-29
Posts: 2,905
Website

Re: How it's coming?

3x7x11x13

21x11x13

231x13

3,003


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

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#4 2013-09-27 16:42:41

mathaholic
Member
From: idk
Registered: 2012-11-29
Posts: 2,905
Website

Re: How it's coming?

If 1:

1x7x11x13

7x11x13

77x13

1,001 (just a third of my example above!)


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

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