112 631 557 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with PRP test

No factors below 2⁷⁷

TF target 2⁷⁶

P-1

B1 =	513000
B2 =	18956000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=10	2023-04-20	RadosHordosCZ	47AB5EF3E624992F	109009985	1	3

History

Date	User	Type	Result
2023-04-20	iwes	CERT	Proof certified good
2023-04-20	RadosHordosCZ	C-PRP	47AB5EF3E624992F Proof Certified Good Proof Power: 10
2022-03-26	Ryan Propper	NF-PM1	B1=513000, B2=18956000
2020-12-29	arpcar	NF	no factor TF: 76-77
2020-12-04	arpcar	NF	no factor TF: 75-76
2020-11-28	arpcar	NF	no factor TF: 74-75
2020-09-18	Ayczly	NF	no factor TF: 73-74
2020-04-21	SRBase	NF	no factor TF: 72-73
2019-01-12	Niels_Mache_Nextcloud	NF	no factor TF: 71-72
2015-02-25	Choi4KANG	NF	no factor TF: 70-71
2015-02-18	La Güira	NF	no factor TF: 69-70
2015-02-18	La Güira	NF	no factor TF: 68-69
2015-02-18	La Güira	NF	no factor TF: 67-68
2013-10-14	PascalBieri	NF	no factor TF: 66-67
2012-06-01	subgenius	NF	no factor TF: 65-66
2010-09-26	Mr-Plonk	NF	no factor TF: 64-65
2010-05-05	linded	NF	no factor TF: 63-64