8 323 753 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
175997433433	12	37.4	old
558293008629311	15	49.0	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	trebor	8651CA7725A4538C	2	40909	5	3
Verified	PRP without proof (not generated)	2020-04-19	oodaira	8651CA7725A4538C	2	2664315	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1375000, B2=2725257990
2020-04-19	oodaira	C-PRP	M8323753/175997433433/558293008629311 : 8651CA7725A4538C
2018-10-10	trebor	C-PRP	M8323753/175997433433/558293008629311 : 8651CA7725A4538C
2008-09-08	Will Edgington	F	Factor: 558293008629311

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