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Author Topic: 7777  (Read 776 times)

Figo

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7777
« on: January 08, 2013, 07:15:09 AM »
Commemorating my 7777th post
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lovemonkey

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Re: 7777
« Reply #1 on: January 08, 2013, 10:17:37 AM »
I wonder if 7777 is a prime?
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lovemonkey

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Re: 7777
« Reply #2 on: January 08, 2013, 10:19:44 AM »
Nope,

7777 = 7 x 11 x 101
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tommywishbone

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Re: 7777
« Reply #3 on: January 08, 2013, 10:24:22 AM »
I love prime numbers. I may actually marry a prime number.

Perhaps this largest of all prime numbers? 2 x 43112609 − 1
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lovemonkey

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Re: 7777
« Reply #4 on: January 08, 2013, 10:46:58 AM »
Quote from: tommywishbone on January 08, 2013, 10:24:22 AM
I love prime numbers. I may actually marry a prime number.

Perhaps this largest of all prime numbers? 2 x 43112609 − 1

I'm sorry to say but 2 x 43112609 -1 is not a prime, I just looked it up on Mathematica. Its factors are {3, 1}, {13, 1}, {2210903, 1}.
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