332 279 813 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
276947525508333976960561	24	77.9	2021-09-27 08:45:15

History

Date	User	Type	Result
2025-05-13	DMiddendorp	F	Factor: 276947525508333976960561 / 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
2021-09-27	Siarhei P. 😜	F	Factor: 276947525508333976960561 / TF: 77-78*
2019-11-25	MadPoo 🙂	NF-PM1	B1=100000, B2=1000000
2019-03-14	MadPoo 🙂	NF-PM1	B1=100000, B2=200000
2017-06-10	Team_Inspector	NF	no factor TF: 76-77
2013-02-23	Daneel	NF	no factor TF: 75-76
2013-02-15	Daneel	NF	no factor TF: 74-75
2013-02-10	Daneel	NF	no factor TF: 73-74
2012-05-08	Team_Inspector	NF	no factor TF: 72-73
2011-10-21	Grant McCracken	NF	no factor TF: 71-72
2011-07-12	Grant McCracken	NF	no factor TF: 70-71
2010-05-12	Sunfish	NF	no factor TF: 69-70
2009-07-08	Team_Inspector	NF	no factor TF: 68-69