548 888 189 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 2⁷⁶

TF target 2⁸³

Factored

Factor	Digits	Bits	Date
39298779323961421847399	23	75.1	2025-03-18 15:23:35

History

Date	User	Type	Result
2025-03-18	NStorm	F	Factor: 39298779323961421847399 / TF: 75-76
2024-01-19	SRBase	NF	no factor TF: 74-75
2022-08-11	SRBase	NF	no factor TF: 73-74
2021-03-30	SRBase	NF	no factor TF: 72-73
2020-08-31	SRBase	NF	no factor TF: 71-72
2019-10-28	sasaki	NF	no factor TF: 70-71
2018-10-18	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2018-02-11	sasaki	NF	no factor TF: 68-69
2016-11-09	sasaki	NF	no factor TF: 67-68
2016-02-26	NoPolarBearsHere	NF	no factor TF: 66-67
2014-10-28	sasaki	NF	no factor TF: 65-66