332 431 381 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: 1 known prime factor

Trial Factored to 2⁸⁰

TF target 2⁸¹

Factored

Factor	Digits	Bits	Date
911949588313268907509599	24	79.6	2023-03-22 00:46:03

Status	Proof	Date	User	Residue	Shift	Type	Base
Factored	PRP without proof (not generated)	2020-02-21	DRMEDESY	A4893D497C966834	209761682	1	3

History

Date	User	Type	Result
2025-04-22	DMiddendorp	F	Factor: 911949588313268907509599 / TF: 79-80
2023-03-22	Mark Rose	F	Factor: 911949588313268907509599 / TF: 79-80*
2023-02-23	Mark Rose	NF	no factor TF: 78-79
2020-02-21	DRMEDESY	C-PRP	A4893D497C966834
2019-07-21	DRMEDESY	NF-PM1	B1=2965000, B2=78572500
2019-04-10	alex	NF	no factor TF: 76-77
2019-04-10	alex	NF	no factor TF: 77-78
2019-03-21	alex	NF	no factor TF: 75-76
2016-04-17	srow7	NF	no factor TF: 74-75
2015-02-12	Xebecer	NF	no factor TF: 73-74
2013-05-27	BigBrother	NF	no factor TF: 72-73
2013-03-02	kracker	NF	no factor TF: 71-72
2012-12-27	kracker	NF	no factor TF: 70-71
2011-04-28	rduerr	NF	no factor TF: 67-70