332 627 689 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
621854812814907754752529	24	79.0	2025-10-25 06:54:01

History

Date	User	Type	Result
2025-10-31	James Heinrich	F	Factor: 621854812814907754752529 / TF: 79-80
2025-10-25	bayanne	F	Factor: 621854812814907754752529 / TF: 79-80*
2023-12-03	TheJudger	NF	no factor TF: 78-79
2023-01-01	bayanne	NF	no factor TF: 77-78
2022-06-16	bayanne	NF	no factor TF: 76-77
2020-05-17	bayanne	NF	no factor TF: 75-76
2016-02-28	srow7	NF	no factor TF: 74-75
2015-07-20	James Heinrich	NF	no factor TF: 73-74
2013-12-05	-anonymous-	NF	no factor TF: 72-73
2013-03-09	LaurV	NF	no factor TF: 71-72
2013-01-29	LaurV	NF	no factor TF: 70-71
2012-07-08	LaurV	NF	no factor TF: 69-70
2012-04-12	LaurV	NF	no factor TF: 67-69
2010-06-18	Grant McCracken	NF	no factor TF: 66-67