26 903 413 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
271821133388655829943	21	67.9	2011-10-30 12:13:46

Status	Date	User	Residue	Shift
Verified (Factored)	2005-02-23	Jean-Yves Canart	55576B0F6BC71E06	18223308
Verified (Factored)	2011-06-08	Iván Arribas	DEBCD65DC6684E38	9609176

History

Date	User	Type	Result
2011-10-30	Carsten Kossendey	F	Factor: 271821133388655829943
2011-10-30	Carsten Kossendey	NF	no factor from 2^67 to 2^71
2011-06-08	Iván Arribas	C-LL	DEBCD65DC6684E38

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