332 805 959 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 2⁸¹

TF target 2⁸¹

Factored

Factor	Digits	Bits	Date
1768565375393657108946079	25	80.5	2023-03-26 21:52:02

Status	Proof	Date	User	Residue	Shift	Type	Base
Factored	PRP without proof (not generated)	2020-05-11	zeus	CDA8426154F1A169	183840731	1	3

History

Date	User	Type	Result
2025-06-23	Greg	F	Factor: 1768565375393657108946079 / TF: 80-81
2024-06-05	LaurV	NF	no factor TF: 71-72
2023-03-26	Mark Rose	F	Factor: 1768565375393657108946079 / TF: 80-81*
2023-03-20	Mark Rose	NF	no factor TF: 79-80
2023-03-01	Mark Rose	NF	no factor TF: 78-79
2020-05-11	zeus	C-PRP	CDA8426154F1A169
2020-01-20	zeus	NF-PM1	B1=4305000
2019-11-09	lobsterfordinner	NF	no factor TF: 76-77
2019-11-09	lobsterfordinner	NF	no factor TF: 77-78
2019-11-09	lobsterfordinner	NF	no factor TF: 75-76
2018-01-19	Team_Inspector	NF	no factor TF: 74-75
2015-07-20	srow7	NF	no factor TF: 73-74
2015-05-11	Jacques MOLNE	NF	no factor TF: 72-73
2013-03-11	Architects Cubed	NF	no factor TF: 71-72
2012-10-12	kracker	NF	no factor TF: 70-71
2012-07-19	LaurV	NF	no factor TF: 69-70
2012-04-13	LaurV	NF	no factor TF: 68-69
2012-03-27	LaurV	NF	no factor TF: 67-68
2010-11-01	Architects Cubed	NF	no factor TF: 66-67