111 865 427 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 =	535000
B2 =	21822000

Status	Date	User	Residue	Shift	Type	Base
Verified	2023-01-10	ky0uraku	371E5BB6A023FB4F	72281115	1	3

History

Date	User	Type	Result
2024-05-06	James Heinrich	NF	no factor from 2^68 to 2^69
2023-01-10	curtisc	CERT	PRP Certification CERT proof power = 9 Proof certified good
2023-01-10	ky0uraku	C-PRP	371E5BB6A023FB4F PRP proof power = 9 PRP: Verified Proof certified good
2022-04-02	JacobZ	NF-PM1	B1=535000, B2=21822000
2021-01-14	arpcar	NF	no factor from 2^76 to 2^77
2020-12-07	arpcar	NF	no factor from 2^75 to 2^76
2020-11-20	laxeye	NF	no factor from 2^74 to 2^75
2020-06-11	XZT	NF	no factor from 2^73 to 2^74
2020-04-21	SRBase	NF	no factor from 2^72 to 2^73
2019-01-09	Niels_Mache_Nextcloud	NF	no factor from 2^71 to 2^72
2015-02-28	-Anonymous-	NF	no factor from 2^70 to 2^71
2015-02-19	-Anonymous-	NF	no factor from 2^69 to 2^70
2015-02-11	linded	NF	no factor from 2^68 to 2^69
2015-02-05	Preben S	NF	no factor from 2^67 to 2^68
2014-11-16	Richard	NF	no factor from 2^66 to 2^67
2012-05-31	omiXorp	NF	no factor from 2^65 to 2^66
2010-09-23	sasaki3	NF	no factor from 2^64 to 2^65
2010-05-19	Richard	NF	no factor from 2^63 to 2^64