1 087 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite, with 7 known prime factors. Cofactor is PRP (Probable-Prime).

Trial Factored to 2⁶⁸

TF target 2⁴⁴

Factored

Factor	Digits	Bits	Date
10722169	8	23.4	old
2144921195591	13	41.0	old
33990250708335239	17	54.9	old
2105485879475562449	19	60.9	old
421733524843190780249388261839156579767	39	128.3	old
23864222009193938317456687011256092421563991	44	144.1	old
2664797814058212286560533454960446792210016180875809243599817	61	200.7	2010-02-21 14:25:05

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Factored	No proof (small exponent)	2018-01-02	ATH	PRP_PRP_PRP_PRP_	7	566	1	3

History

Date	User	Type	Result
2010-02-21	-anonymous-	F-ECM	Factor: 2664797814058212286560533454960446792210016180875809243599817
2000-08-01	-anonymous-	F-PM1	Factor: 22998207550808756879

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