7 978 981 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
2283108814932401	16	51.0	old

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-06-26	_p95holder_	FDC7BEFD4DA64660	1	6890446	5	3
Verified	2019-12-19	Luigi Morelli	FDC7BEFD4DA64660	1	3131776	5	3

History

Date	User	Type	Result
2024-02-14	Stef42	NF-PM1	B1=859000, B2=1420146000
2019-12-19	Luigi Morelli	C-PRP	M7978981/2283108814932401 : FDC7BEFD4DA64660 PRP: Verified PRP without proof (not generated)
2018-06-26	_p95holder_	C-PRP	M7978981/2283108814932401 : FDC7BEFD4DA64660 PRP: Verified PRP without proof (not generated)

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