110 248 211 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 =	517000
B2 =	21490000

Status	Date	User	Residue	Shift	Type	Base
Verified	2022-10-18	Ruslan Borisov	C0B46E3857D9BA39	24259590	1	3
Verified	2022-11-26	Ge yong	C0B46E3857D9BA39	3543068	1	3

History

Date	User	Type	Result
2022-11-26	ThomRuley	CERT	PRP Certification CERT proof power = 8 Proof certified good
2022-11-26	Ge yong	C-PRP	C0B46E3857D9BA39 PRP proof power = 8 PRP: Verified Proof certified good
2022-10-18	curtisc	CERT	PRP Certification CERT proof power = 10 Proof certified good
2022-10-18	Ruslan Borisov	C-PRP	C0B46E3857D9BA39 PRP proof power = 10 PRP: Verified Proof certified good
2022-03-23	JacobZ	NF-PM1	B1=517000, B2=21490000
2022-03-20	David Hruska	NF	no factor from 2^76 to 2^77
2020-05-20	Will Hockensmith	NF	no factor from 2^75 to 2^76
2020-05-20	Will Hockensmith	NF	no factor from 2^74 to 2^75
2020-05-20	Will Hockensmith	NF	no factor from 2^73 to 2^74
2020-02-13	erick84mm	NF	no factor from 2^72 to 2^73
2019-01-29	Niels_Mache_Nextcloud	NF	no factor from 2^71 to 2^72
2015-08-10	SMoffat	NF	no factor from 2^70 to 2^71
2015-08-04	SMoffat	NF	no factor from 2^69 to 2^70
2015-08-02	SMoffat	NF	no factor from 2^68 to 2^69
2014-12-01	g0b	NF	no factor from 2^67 to 2^68
2014-08-26	lastareasdelhogar	NF	no factor from 2^66 to 2^67
2012-05-26	omiXorp	NF	no factor from 2^65 to 2^66
2010-09-17	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-05-01	rabbut	NF	no factor from 2^63 to 2^64