7 784 977 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
328027790873	12	38.3	old

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-05-18	_p95holder_	238F5D57C3C09788	1	5084159	5	3
Verified	2019-09-30	ATH	238F5D57C3C09788	1	6315993	5	3

History

Date	User	Type	Result
2024-01-31	Stef42	NF-PM1	B1=950000, B2=2042400360
2019-09-30	ATH	C-PRP	M7784977/328027790873 : 238F5D57C3C09788 PRP: Verified PRP without proof (not generated)
2018-05-18	_p95holder_	C-PRP	M7784977/328027790873 : 238F5D57C3C09788 PRP: Verified PRP without proof (not generated)

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