112 438 763 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with PRP test

TF

No factors below 2⁷⁷

TF target 2⁷⁶

P-1

B1 =	511000
B2 =	18885000

Status	Date	User	Residue	Shift	Type	Base
Verified	2023-06-09	Ben Delo	8F5CCA22695A9F66	1417824	1	3

History

Date	User	Type	Result
2023-06-10	curtisc	CERT	PRP Certification CERT proof power = 8 Proof certified good
2023-06-09	Ben Delo	C-PRP	8F5CCA22695A9F66 PRP proof power = 8 PRP: Verified Proof certified good
2022-04-25	Ryan Propper	NF-PM1	B1=511000, B2=18885000
2021-01-01	arpcar	NF	no factor from 2^76 to 2^77
2020-12-06	arpcar	NF	no factor from 2^75 to 2^76
2020-12-01	arpcar	NF	no factor from 2^74 to 2^75
2020-10-02	Phantomas	NF	no factor from 2^73 to 2^74
2020-04-21	SRBase	NF	no factor from 2^72 to 2^73
2018-12-30	Niels_Mache_Nextcloud	NF	no factor from 2^71 to 2^72
2015-02-08	Preben S	NF	no factor from 2^70 to 2^71
2014-11-20	La Güira	NF	no factor from 2^69 to 2^70
2014-11-20	La Güira	NF	no factor from 2^68 to 2^69
2013-10-14	PascalBieri	NF	no factor from 2^67 to 2^68
2013-10-06	PascalBieri	NF	no factor from 2^66 to 2^67
2012-08-03	Richard	NF	no factor from 2^65 to 2^66
2010-09-25	sasaki3	NF	no factor from 2^64 to 2^65
2010-05-08	Richard	NF	no factor from 2^63 to 2^64