332 351 347 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
646529966805839597649937	24	79.1	2023-05-20 15:14:08

History

Date	User	Type	Result
2025-04-22	DMiddendorp	F	Factor: 646529966805839597649937 / TF: 79-80
2024-07-16	Grant McCracken	NF	no factor TF: 71-72
2024-04-27	Grant McCracken	NF	no factor TF: 70-71
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-05-20	Team_Inspector	F	Factor: 646529966805839597649937 / TF: 79-80*
2022-12-17	Runtime Error	NF	no factor TF: 78-79
2021-06-03	Jon Pace	NF	no factor TF: 77-78
2020-07-31	el grocco	NF	no factor TF: 76-77
2016-05-04	srow7	NF	no factor TF: 75-76
2013-08-21	Grant McCracken	NF	no factor TF: 74-75
2013-03-02	firejuggler	NF	no factor TF: 73-74
2013-01-21	LaurV	NF	no factor TF: 72-73
2012-11-14	Grant McCracken	NF	no factor TF: 71-72
2011-03-07	Grant McCracken	NF	no factor TF: 70-71
2011-01-12	Sunfish	NF	no factor TF: 69-70
2010-04-21	Sunfish	NF	no factor TF: 68-69