11 966 887 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
6222781241	10	32.5	old

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-12-14	LaurV	749CB0AC4DA74680	1	4738020	5	3

History

Date	User	Type	Result
2023-05-24	nordi	NF-PM1	B1=400000, B2=428459850
2021-12-14	Chad Steenerson	CERT	PRP Certification Proof certified good
2021-12-14	LaurV	C-PRP	M11966887/6222781241 : 749CB0AC4DA74680 PRP proof power = 8 PRP: Verified Proof certified good
2021-11-23	nordi	NF-PM1	B1=400000, B2=12000000
2021-11-20	nordi	NF-PM1	B1=400000

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