8 332 427 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
2866354889	10	31.4	old
28722292490351	14	44.7	2008-09-30 23:52:36

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-12	rucio	44FA7655F2ACDE99	2	4468537	5	3
Verified	PRP without proof (not generated)	2020-04-23	marssystems	44FA7655F2ACDE99	2	8226289	5	3

History

Date	User	Type	Result
2024-05-10	Stef42	NF-PM1	B1=1025000, B2=1519818300
2020-04-23	marssystems	C-PRP	M8332427/2866354889/28722292490351 : 44FA7655F2ACDE99
2018-10-12	rucio	C-PRP	M8332427/2866354889/28722292490351 : 44FA7655F2ACDE99
2008-09-30	markr	F	Factor: 28722292490351

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