25 456 201 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
408137651983352847929	21	68.5	2012-01-03 11:38:51

Status	Date	User	Residue	Shift
Verified (Factored)	2004-11-03	Bernd Warnecke	6812373C290E0CC2	8538116

History

Date	User	Type	Result
2012-01-03	Carsten Kossendey	F-PM1	Factor: 408137651983352847929
2012-01-02	Carsten Kossendey	NF	no factor from 2^68 to 2^71
2011-10-09	Dubslow	NF	no factor from 2^67 to 2^68

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