The book is now available! 5
(just those submitted by Silva)
Prime Curios!
Curios: Curios Search:

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 17 curios for this number that have not yet been approved by an editor.)

Prime Curios! © 2000-2020 (all rights reserved)  privacy statement