857 051 809 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite: 2 known prime factors

Trial Factored to 2⁷⁴

TF target 2⁸⁵

Factored

Factor	Digits	Bits	Date
10760329532476639832417	23	73.2	2025-06-24 17:55:49
13849476583173457047257	23	73.6	2022-12-07 14:44:03

History

Date	User	Type	Result
2025-06-24	Greg	F	Factors: 13849476583173457047257,10760329532476639832417 / TF: 73-74
2022-12-07	SRBase	F	Factor: 13849476583173457047257 / TF: 73-74*
2021-06-12	SRBase	NF	no factor TF: 72-73
2020-10-14	SRBase	NF	no factor TF: 71-72
2019-03-15	srow7	NF	no factor TF: 70-71
2016-10-26	ramgeis	NF	no factor TF: 68-70
2015-09-02	sasaki	NF	no factor TF: 67-68
2015-03-01	sasaki	NF	no factor TF: 66-67
2012-04-08	Andrew B	NF	no factor TF: 65-66
2012-04-08	Andrew B	NF	no factor TF: 64-65
2010-08-02	linded	NF	no factor TF: 63-64