263 618 777 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 2⁸⁰

Factored

Factor	Digits	Bits	Date
68847307334271618829847	23	75.9	2025-02-05 01:03:09

History

Date	User	Type	Result
2025-02-05	NStorm	F	Factor: 68847307334271618829847 / TF: 75-76
2023-06-13	OEIS11221	NF	no factor TF: 74-75
2022-02-27	SRBase	NF	no factor TF: 73-74
2020-11-28	SRBase	NF	no factor TF: 72-73
2020-07-07	SRBase	NF	no factor TF: 71-72
2020-05-05	SRBase	NF	no factor TF: 70-71
2018-09-21	La Güira	NF	no factor TF: 69-70
2018-06-24	Niels_Mache_Nextcloud	NF	no factor TF: 68-69
2016-08-27	XZT	NF	no factor TF: 67-68
2015-12-25	vwflat4	NF	no factor TF: 66-67
2014-05-25	Mr-Plonk	NF	no factor TF: 65-66
2011-08-16	sasaki3	NF	no factor TF: 64-65
2010-03-17	sasaki3	NF	no factor TF: 63-64
2010-03-17	sasaki3	NF	no factor TF: 62-63