332 393 773 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
309391305097614878868503	24	78.0	2023-01-18 22:47:03

History

Date	User	Type	Result
2025-04-27	DMiddendorp	F	Factor: 309391305097614878868503 / TF: 78-79
2024-07-15	Grant McCracken	NF	no factor TF: 71-72
2024-05-13	Grant McCracken	NF	no factor TF: 70-71
2024-05-13	Grant McCracken	NF	no factor TF: 69-70
2024-05-13	Grant McCracken	NF	no factor TF: 68-69
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-01-18	Mark Rose	F	Factor: 309391305097614878868503 / TF: 78-79*
2021-06-26	Jon Pace	NF	no factor TF: 77-78
2020-08-03	el grocco	NF	no factor TF: 76-77
2016-08-07	Grant McCracken	NF	no factor TF: 75-76
2015-06-14	srow7	NF	no factor TF: 74-75
2015-06-12	srow7	NF	no factor TF: 73-74
2013-01-24	LaurV	NF	no factor TF: 72-73
2011-05-03	Christian Geschwentner	NF	no factor TF: 71-72
2010-12-19	Grant McCracken	NF	no factor TF: 70-71
2010-06-04	Grant McCracken	NF	no factor TF: 69-70
2010-02-20	Grant McCracken	NF	no factor TF: 68-69