perplexus.info :: Just Math : Not a Prime

Not a Prime (Posted on 2012-12-20)

Prove that 5¹⁰⁰+5⁷⁵+5⁵⁰+5²⁵+1 is not a prime number.

No Solution Yet Submitted by Danish Ahmed Khan

Rating: 3.0000 (2 votes)

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re: Try this

Comment 6 of 6 |

(In reply to Try this by broll)

Bravo Broll

- a really neat method.

Posted by Harry on 2012-12-21 21:25:54

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