332 371 717 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
831335987459190540048823	24	79.5	2023-06-05 18:02:01

History

Date	User	Type	Result
2025-04-22	DMiddendorp	F	Factor: 831335987459190540048823 / TF: 79-80
2024-07-16	Grant McCracken	NF	no factor TF: 71-72
2024-05-06	Grant McCracken	NF	no factor TF: 70-71
2024-05-06	Grant McCracken	NF	no factor TF: 69-70
2024-05-06	Grant McCracken	NF	no factor TF: 68-69
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-06-05	Architects Cubed	F	Factor: 831335987459190540048823 / TF: 79-80*
2023-05-03	Architects Cubed	NF	no factor TF: 78-79
2021-06-15	Jon Pace	NF	no factor TF: 77-78
2020-08-02	bayanne	NF	no factor TF: 76-77
2019-11-04	MadPoo 🙂	NF-PM1	B1=100000, B2=1000000
2019-05-12	MadPoo 🙂	NF-PM1	B1=100000
2016-05-08	srow7	NF	no factor TF: 75-76
2015-06-12	srow7	NF	no factor TF: 74-75
2015-06-11	srow7	NF	no factor TF: 73-74
2013-01-22	LaurV	NF	no factor TF: 72-73
2012-12-02	Team_Inspector	NF	no factor TF: 71-72
2011-02-13	Grant McCracken	NF	no factor TF: 70-71
2010-09-03	Grant McCracken	NF	no factor TF: 69-70
2010-02-11	Grant McCracken	NF	no factor TF: 68-69

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