25 473 401 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
188723555682733777529	21	67.4	2011-11-17 23:13:26

Status	Date	User	Residue	Shift
Verified (Factored)	2005-02-02	siuming	A7F5D28ED80068AC	11044739

History

Date	User	Type	Result
2011-11-17	Carsten Kossendey	F	Factor: 188723555682733777529
2011-11-17	Carsten Kossendey	NF	no factor from 2^67 to 2^71

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