112 908 557 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 =	515000
B2 =	19041000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=10	2023-05-31	RadosHordosCZ	8DE77F76A2B1CFD2	30580391	1	3

History

Date	User	Type	Result
2023-05-31	blin00	CERT	Proof certified good
2023-05-31	RadosHordosCZ	C-PRP	8DE77F76A2B1CFD2 Proof Certified Good Proof Power: 10
2022-03-28	Ryan Propper	NF-PM1	B1=515000, B2=19041000
2021-04-02	RNutter	NF	no factor TF: 76-77
2021-01-08	arpcar	NF	no factor TF: 76-77
2020-10-15	RichD0	NF	no factor TF: 75-76
2020-05-31	tsc	NF	no factor TF: 74-75
2015-03-07	ANONYMOUS	NF	no factor TF: 73-74
2015-03-07	ANONYMOUS	NF	no factor TF: 72-73
2015-03-07	ANONYMOUS	NF	no factor TF: 71-72
2015-03-07	ANONYMOUS	NF	no factor TF: 70-71
2015-03-07	ANONYMOUS	NF	no factor TF: 69-70
2015-03-07	ANONYMOUS	NF	no factor TF: 68-69
2015-03-07	ANONYMOUS	NF	no factor TF: 67-68
2014-11-11	Chih-Wei Huang	NF	no factor TF: 66-67
2012-06-03	Torchwood Institute	NF	no factor TF: 65-66
2010-09-28	Richard	NF	no factor TF: 64-65
2010-05-05	Torchwood Institute	NF	no factor TF: 63-64