8 325 433 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 2⁶⁸

Factored

Factor	Digits	Bits	Date
199810393	9	27.6	old
3932401721489	13	41.8	2008-09-08 04:30:29

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-10	ATH	B3013DF61BF30047	2	1827407	5	3
Verified	PRP without proof (not generated)	2020-04-20	oodaira	B3013DF61BF30047	2	2791692	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1250000, B2=2725257990
2020-04-20	oodaira	C-PRP	M8325433/199810393/3932401721489 : B3013DF61BF30047
2018-10-10	ATH	C-PRP	M8325433/199810393/3932401721489 : B3013DF61BF30047
2008-09-08	Will Edgington	F	Factor: 3932401721489

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