111 584 731 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 =	771000
B2 =	22017000

Status	Date	User	Residue	Shift	Type	Base
Verified	2022-02-20	Conductor	8356A61F957D4F7F	107244819	1	3

History

Date	User	Type	Result
2022-02-20	Tan Loe Joo	CERT	PRP Certification CERT proof power = 8 Proof certified good
2022-02-20	Conductor	C-PRP	8356A61F957D4F7F PRP proof power = 8 PRP: Verified Proof certified good
2022-01-03	Conductor	NF-PM1	B1=771000, B2=22017000
2021-02-03	burkhajo	NF	no factor from 2^76 to 2^77
2021-01-11	arpcar	NF	no factor from 2^76 to 2^77
2020-10-17	el grocco	NF	no factor from 2^75 to 2^76
2020-10-17	el grocco	NF	no factor from 2^74 to 2^75
2020-07-27	jwnutter	NF	no factor from 2^73 to 2^74
2020-04-20	SRBase	NF	no factor from 2^72 to 2^73
2019-01-14	Niels_Mache_Nextcloud	NF	no factor from 2^71 to 2^72
2014-11-10	Red Raven	NF	no factor from 2^70 to 2^71
2014-07-11	Andreas_Truetsch	NF	no factor from 2^69 to 2^70
2013-11-03	SMoffat	NF	no factor from 2^68 to 2^69
2013-10-14	PascalBieri	NF	no factor from 2^67 to 2^68
2013-10-05	PascalBieri	NF	no factor from 2^66 to 2^67
2012-06-01	Richard	NF	no factor from 2^65 to 2^66
2010-09-22	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-05-05	carlos56	NF	no factor from 2^63 to 2^64