7 979 353 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 2 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
574513417	9	29.1	old
19964341207	11	34.2	2008-09-08 03:43:23

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-03	_p95holder_	79C623B60F3B1B05	2	1324748	5	3
Verified	2019-12-25	nokno	79C623B60F3B1B05	2	3974364	5	3

History

Date	User	Type	Result
2024-02-14	Stef42	NF-PM1	B1=859000, B2=1420146000
2019-12-25	nokno	C-PRP	M7979353/574513417/19964341207 : 79C623B60F3B1B05 PRP: Verified PRP without proof (not generated)
2018-07-03	_p95holder_	C-PRP	M7979353/574513417/19964341207 : 79C623B60F3B1B05 PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 19964341207

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