143 209 607 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: 1 known prime factor

Factored

Factor	Digits	Bits	Date
57403663441941566640113	23	75.6	2024-07-17 05:19:13

History

Date	User	Type	Result
2025-06-04	DMiddendorp	F	Factor: 57403663441941566640113 / TF: 75-76
2024-07-17	SRBase	F	Factor: 57403663441941566640113 / TF: 75-76*
2023-01-25	SRBase	NF	no factor from 2^74 to 2^75
2021-11-09	SRBase	NF	no factor from 2^73 to 2^74
2020-10-25	SRBase	NF	no factor from 2^72 to 2^73
2016-10-30	workerthread	NF	no factor from 2^71 to 2^72
2016-10-26	workerthread	NF	no factor from 2^70 to 2^71
2016-10-23	nate.anders	NF	no factor from 2^69 to 2^70
2016-10-22	Choi4KANG	NF	no factor from 2^68 to 2^69
2016-03-31	dbaugh	NF	no factor from 2^67 to 2^68
2015-02-25	Judge Hale	NF	no factor from 2^66 to 2^67
2012-12-13	KayJongsma	NF	no factor from 2^65 to 2^66
2010-12-19	sasaki3	NF	no factor from 2^64 to 2^65
2010-06-17	Charles A. Morris	NF	no factor from 2^63 to 2^64