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Not a Prime (Posted on 2012-12-20) Difficulty: 3 of 5
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(2): answer | Comment 4 of 6 |
(In reply to re: answer by Charlie)

Charlie, you are right.

The prime factors of 7888609052210118080587065254524747981434984467341564893722534179687501

are:

{3597751, 28707251, 4032808198751, 767186663625251, and 24687045214139234043375683501}

The other number mentioned seems to have a leading digit missing.

Edited on December 21, 2012, 6:21 am
  Posted by broll on 2012-12-21 06:12:32

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