500 504 131 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 2⁷⁷

TF target 2⁸²

Factored

Factor	Digits	Bits	Date
81750867853594771207183	23	76.1	2025-01-17 14:53:58

History

Date	User	Type	Result
2025-05-27	Greg	F	Factor: 81750867853594771207183 / TF: 76-77
2025-01-17	Nick	F	Factor: 81750867853594771207183 / TF: 76-77*
2025-01-16	G3neziz	NF	no factor TF: 75-76
2024-01-03	SRBase	NF	no factor TF: 74-75
2021-01-23	Zenzoma	NF	no factor TF: 73-74
2021-01-23	Zenzoma	NF	no factor TF: 72-73
2020-06-19	sasaki	NF	no factor TF: 71-72
2018-10-13	storm5510	NF	no factor TF: 70-71
2018-06-22	sasaki	NF	no factor TF: 69-70
2017-10-14	sasaki	NF	no factor TF: 68-69
2016-04-03	sasaki	NF	no factor TF: 67-68
2013-02-11	c10ck3r	NF	no factor TF: 65-67
2011-12-22	Mr-Plonk	NF	no factor TF: 64-65
2010-03-13	Architects Cubed	NF	no factor TF: 63-64