332 311 627 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
1270848358935770320572289	25	80.1	2023-03-22 23:54:03

Status	Proof	Date	User	Residue	Shift	Type	Base
Factored	PRP without proof (not generated)	2020-10-19	adamgm	105A3DF5DD5150E8	0	1	3

History

Date	User	Type	Result
2025-06-23	Greg	F	Factor: 1270848358935770320572289 / TF: 80-81
2024-07-16	Grant McCracken	NF	no factor TF: 71-72
2024-04-23	Grant McCracken	NF	no factor TF: 70-71
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-22	Mark Rose	F	Factor: 1270848358935770320572289 / TF: 80-81*
2023-03-22	Mark Rose	NF	no factor TF: 79-80
2020-10-19	adamgm	C-PRP	105A3DF5DD5150E8
2020-10-19	adamgm	NF-PM1	B1=1000000, B2=30000000
2020-09-19	LOBES	NF	no factor TF: 78-79
2020-09-19	LOBES	NF	no factor TF: 77-78
2020-08-01	Andrew B	NF	no factor TF: 76-77
2015-09-06	Team_Inspector	NF	no factor TF: 75-76
2015-01-26	Team_Inspector	NF	no factor TF: 74-75
2013-08-07	Team_Inspector	NF	no factor TF: 73-74
2013-01-15	LaurV	NF	no factor TF: 72-73
2012-02-28	Grant McCracken	NF	no factor TF: 71-72
2011-06-24	Grant McCracken	NF	no factor TF: 70-71
2010-06-02	Sunfish	NF	no factor TF: 69-70
2009-08-14	Team_Inspector	NF	no factor TF: 68-69