8 327 503 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
661536838321	12	39.3	old
1445634468172777	16	50.4	2014-05-27 11:21:55

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-10	ATH	221893CB199D1C86	2	7347043	5	3
Verified	PRP without proof (not generated)	2020-04-21	Wentao Huang	221893CB199D1C86	2	2451122	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1375000, B2=2788626750
2020-04-21	Wentao Huang	C-PRP	M8327503/661536838321/1445634468172777 : 221893CB199D1C86
2018-10-10	ATH	C-PRP	M8327503/661536838321/1445634468172777 : 221893CB199D1C86
2014-05-27	TJAOI	F	Factor: 1445634468172777

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