8 319 499 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
349418959	9	28.4	old
9897291985351	13	43.2	2008-09-08 04:30:16

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-12	Oliver Kruse	582C94483D2F442C	2	5654056	5	3
Verified	PRP without proof (not generated)	2020-04-18	Wentao Huang	582C94483D2F442C	2	5740632	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1375000, B2=2725257990
2020-04-18	Wentao Huang	C-PRP	M8319499/349418959/9897291985351 : 582C94483D2F442C
2018-10-12	Oliver Kruse	C-PRP	M8319499/349418959/9897291985351 : 582C94483D2F442C
2008-09-08	Will Edgington	F	Factor: 9897291985351

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