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(just those submitted by Silva)
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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 'Silva': (Click here to show all)

+ The only prime sum of two consecutive Sophie Germain primes. [Silva]

+ 5 is the only prime in the middle of a pair of cousin primes. [Silva]

+ The arithmetic average of the first sixteen digits of the decimal expansion of pi. [Silva]

+ The first number to appear between composites. [Silva]

+ The smallest number n such that neither n!+1 nor n!-1 is prime. [Silva]

+ The only prime equal to a prime p plus the pth prime. [Silva]

+ The only prime p that is the sum of the prime divisors of p+1. [Silva]

+ The only Fibonacci prime that is the sum of two others. [Silva]

(There are 14 curios for this number that have not yet been approved by an editor.)




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