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Getbig Main Boards => Gossip & Opinions => Topic started by: Figo on January 08, 2013, 07:15:09 AM

Title: 7777
Post by: Figo on January 08, 2013, 07:15:09 AM

Commemorating my 7777th post

Title: Re: 7777
Post by: lovemonkey on January 08, 2013, 10:17:37 AM

I wonder if 7777 is a prime?

Title: Re: 7777
Post by: lovemonkey on January 08, 2013, 10:19:44 AM

Nope,

7777 = 7 x 11 x 101

Title: Re: 7777
Post by: 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

Title: Re: 7777
Post by: lovemonkey 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}.