332 278 589 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 2⁷⁸

TF target 2⁸¹

Factored

Factor	Digits	Bits	Date
247751797632476845168511	24	77.7	2021-09-21 12:20:24

History

Date	User	Type	Result
2025-05-13	DMiddendorp	F	Factor: 247751797632476845168511 / TF: 77-78
2024-07-13	Grant McCracken	NF	no factor TF: 71-72
2024-04-09	Grant McCracken	NF	no factor TF: 70-71
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2021-09-21	Siarhei P. 😜	F	Factor: 247751797632476845168511 / TF: 77-78*
2017-05-01	Team_Inspector	NF	no factor TF: 76-77
2014-04-22	Team_Inspector	NF	no factor TF: 75-76
2013-09-14	Team_Inspector	NF	no factor TF: 74-75
2013-02-16	Team_Inspector	NF	no factor TF: 73-74
2012-04-19	Grant McCracken	NF	no factor TF: 72-73
2011-10-27	Grant McCracken	NF	no factor TF: 71-72
2011-07-13	Grant McCracken	NF	no factor TF: 70-71
2010-05-08	Sunfish	NF	no factor TF: 69-70
2009-07-16	Sunfish	NF	no factor TF: 68-69