7 929 563 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

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

Trial Factored to 2⁶⁸

TF target 2⁶⁷

Factored

Factor	Digits	Bits	Date
15859127	8	23.9	old
951547561	9	29.8	2008-09-08 03:42:25

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-06-09	storm5510	AC90747910B7A732	2	5430730	5	3
Verified	PRP without proof (not generated)	2019-11-23	Bommer	AC90747910B7A732	2	1571134	5	3

History

Date	User	Type	Result
2024-02-05	Stef42	NF-PM1	B1=950000, B2=1968826860
2019-11-23	Bommer	C-PRP	M7929563/15859127/951547561 : AC90747910B7A732
2018-06-09	storm5510	C-PRP	M7929563/15859127/951547561 : AC90747910B7A732
2008-09-08	Will Edgington	F	Factor: 951547561

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