41 354 617 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: 1 known prime factor

Factored

Factor	Digits	Bits	Date
12080136906784792165409	23	73.4	2020-01-10 21:42:34

Status	Date	User	Residue	Shift
Verified (Factored)	2010-02-11	Hugo Martiniano	2B2ACE1A6A8958E1	32760803
Verified (Factored)	2015-10-14	dh1	2B2ACE1A6A8958E1	3694157

History

Date	User	Type	Result
2025-06-16	Greg	F	Factor: 12080136906784792165409 / TF: 73-74
2020-01-10	-Anonymous-	F	Factor: 12080136906784792165409 / TF: 73-74*
2019-06-06	Random GPUs	NF	no factor from 2^72 to 2^73
2015-10-14	dh1	C-LL	2B2ACE1A6A8958E1
2015-08-20	AirSquirrels	NF	no factor from 2^71 to 2^72
2015-01-11	chalsall	NF	no factor from 2^70 to 2^71
2015-01-01	1997rj7	NF	no factor from 2^69 to 2^70
2014-02-08	LaurV	NF	no factor from 2^68 to 2^69
2010-02-11	Hugo Martiniano	C-LL	2B2ACE1A6A8958E1