12 909 251 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
103274009	9	26.6	old

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-05-23	XZT	FB014600EA06DA31	1	3725684	5	3

History

Date	User	Type	Result
2022-05-23	curtisc	CERT	PRP Certification Proof certified good
2022-05-23	XZT	C-PRP	M12909251/103274009 : FB014600EA06DA31 PRP proof power = 8 PRP: Verified Proof certified good
2022-05-20	nordi	NF-PM1	B1=400000, B2=321348300
2022-05-16	nordi	NF-PM1	B1=400000

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