27 183 301 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
254574051217355710591	21	67.8	2011-11-22 15:13:28

Status	Date	User	Residue	Shift
Verified (Factored)	2005-11-01	John Schuster	68B6B9DA0376D94C	6987285

History

Date	User	Type	Result
2011-11-22	Carsten Kossendey	F	Factor: 254574051217355710591
2011-11-22	Carsten Kossendey	NF	no factor from 2^67 to 2^71

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