7 921 057 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

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

Trial Factored to 2⁶⁸

TF target 2⁶⁷

Factored

Factor	Digits	Bits	Date
10751203139759	14	43.3	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-06-07	storm5510	176CC0D871D7BD7E	1	7703423	5	3
Verified	PRP without proof (not generated)	2019-11-21	arnaud	176CC0D871D7BD7E	1	6217586	5	3

History

Date	User	Type	Result
2024-02-05	Stef42	NF-PM1	B1=950000, B2=1968826860
2019-11-21	arnaud	C-PRP	M7921057/10751203139759 : 176CC0D871D7BD7E
2018-06-07	storm5510	C-PRP	M7921057/10751203139759 : 176CC0D871D7BD7E

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