111 971 863 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 =	807000
B2 =	32910000

Status	Date	User	Residue	Shift	Type	Base
Verified	2023-03-11	ky0uraku	C728A05EECEE35C0	6077925	1	3

History

Date	User	Type	Result
2023-03-11	curtisc	CERT	PRP Certification CERT proof power = 9 Proof certified good
2023-03-11	ky0uraku	C-PRP	C728A05EECEE35C0 PRP proof power = 9 PRP: Verified Proof certified good
2022-03-28	Ryan Propper	NF-PM1	B1=807000, B2=32910000
2021-04-13	blin00	NF	no factor from 2^76 to 2^77
2020-09-21	ktony	NF	no factor from 2^75 to 2^76
2020-09-21	ktony	NF	no factor from 2^74 to 2^75
2020-05-31	GROBERTS	NF	no factor from 2^73 to 2^74
2020-04-20	SRBase	NF	no factor from 2^72 to 2^73
2019-01-06	Niels_Mache_Nextcloud	NF	no factor from 2^71 to 2^72
2014-11-18	RichD0	NF	no factor from 2^70 to 2^71
2014-11-12	JMGarcia	NF	no factor from 2^69 to 2^70
2014-11-09	RichD0	NF	no factor from 2^68 to 2^69
2013-11-16	SMoffat	NF	no factor from 2^67 to 2^68
2013-10-12	Cow_tipping	NF	no factor from 2^66 to 2^67
2012-05-31	omiXorp	NF	no factor from 2^65 to 2^66
2010-09-24	Ali	NF	no factor from 2^64 to 2^65
2010-05-04	Jonathan A Zylstra	NF	no factor from 2^63 to 2^64