111 868 121 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 =	511000
B2 =	19256000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2023-04-10	George Woltman	0958F203538CE351	0	1	3

History

Date	User	Type	Result
2023-04-12	PED	CERT	Proof certified good
2023-04-10	George Woltman	C-PRP	Proof Certified Good Proof Power: 8
2022-03-24	Ryan Propper	NF-PM1	B1=511000, B2=19256000
2021-01-14	arpcar	NF	no factor TF: 76-77
2020-12-07	arpcar	NF	no factor TF: 75-76
2020-11-20	laxeye	NF	no factor TF: 74-75
2020-06-08	Dylan Delgado	NF	no factor TF: 73-74
2020-04-21	SRBase	NF	no factor TF: 72-73
2019-01-09	Niels_Mache_Nextcloud	NF	no factor TF: 71-72
2015-09-13	PascalBieri	NF	no factor TF: 70-71
2014-11-17	SMoffat	NF	no factor TF: 69-70
2013-11-03	SMoffat	NF	no factor TF: 68-69
2013-10-14	Keldor	NF	no factor TF: 67-68
2013-10-09	Nesowa	NF	no factor TF: 66-67
2012-05-31	Torchwood Institute	NF	no factor TF: 65-66
2010-09-23	sasaki3	NF	no factor TF: 64-65
2010-05-20	Richard	NF	no factor TF: 63-64