25 749 799 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
220949947651473958847	21	67.6	2011-10-25 05:09:36

Status	Date	User	Residue	Shift
Verified (Factored)	2005-10-04	Derek Bergin	B35793F47AADB965	13553411

History

Date	User	Type	Result
2011-10-25	Carsten Kossendey	F	Factor: 220949947651473958847
2011-10-25	Carsten Kossendey	NF	no factor from 2^67 to 2^71

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