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(just those submitted by Patterson)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

Just showing those entries submitted by 'Patterson': (Click here to show all)

+ 19^19 - 2 is prime. Note that it starts with the digits 19. [Patterson]

+ The smallest prime p such that p^p is pandigital. [Patterson]

+ The only two-digit prime n such that n!/reversal(n)+1 and n!/reversal(n)-1 are both prime. [Patterson]




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