332 385 337 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 2⁷⁹

TF target 2⁸¹

Factored

Factor	Digits	Bits	Date
388911363388158458072873	24	78.4	2023-01-08 10:46:03

History

Date	User	Type	Result
2025-04-27	DMiddendorp	F	Factor: 388911363388158458072873 / TF: 78-79
2024-07-15	Grant McCracken	NF	no factor TF: 71-72
2024-05-12	Grant McCracken	NF	no factor TF: 70-71
2024-05-12	Grant McCracken	NF	no factor TF: 69-70
2024-05-12	Grant McCracken	NF	no factor TF: 68-69
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-01-08	Mark Rose	F	Factor: 388911363388158458072873 / TF: 78-79*
2021-06-21	Jon Pace	NF	no factor TF: 77-78
2020-08-03	el grocco	NF	no factor TF: 76-77
2017-03-24	Grant McCracken	NF	no factor TF: 75-76
2015-06-13	srow7	NF	no factor TF: 74-75
2015-06-11	srow7	NF	no factor TF: 73-74
2013-01-23	LaurV	NF	no factor TF: 72-73
2011-08-01	Grant McCracken	NF	no factor TF: 71-72
2011-02-17	Grant McCracken	NF	no factor TF: 70-71
2009-07-02	unconnected	NF	no factor TF: 69-70
2009-07-01	unconnected	NF	no factor TF: 68-69