15307263442931

This number is a prime.

                                                             1530 7263442931

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

+ The smallest prime p such that p + nextprime(p) is an integer with 40 prime factors, repetitions counted, i.e., 15307263442931 + 15307263442957 = 30614526885888 = 2^35*3^4*11. Found by Jean Brette. [Rivera]

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