16006...79263 (15016-digits)

This number is a prime.

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88233*2^49863-1 is prime. Note that 1^10 + 2^9 + 3^8 + 4^7 + 5^6 + 6^5 + 7^4 + 8^3 + 9^2 + 10^1 = 49863, and that 8*8+2*3+3 is prime. [Earls]

Submitted: 2004-09-28 13:16:51; Last Modified: 2008-01-30 17:28:00.