109 236 887 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 =	803000
B2 =	33376000

Status	Date	User	Residue	Shift	Type	Base
Verified	2022-04-19	Dmitriy Degtiarev	3B2D2083449F1A6D	2187768	1	3

History

Date	User	Type	Result
2022-04-19	curtisc	CERT	PRP Certification CERT proof power = 8 Proof certified good
2022-04-19	Dmitriy Degtiarev	C-PRP	3B2D2083449F1A6D PRP proof power = 8 PRP: Verified Proof certified good
2022-03-10	Ryan Propper	NF-PM1	B1=803000, B2=33376000
2022-02-14	ZFR	NF	no factor from 2^76 to 2^77
2021-04-26	TheJudger	NF	no factor from 2^75 to 2^76
2021-04-26	TheJudger	NF	no factor from 2^74 to 2^75
2020-03-14	tsc	NF	no factor from 2^73 to 2^74
2020-02-28	DOCUSTOMPC	NF	no factor from 2^72 to 2^73
2015-02-06	SWL551	NF	no factor from 2^71 to 2^72
2015-02-06	SWL551	NF	no factor from 2^70 to 2^71
2015-02-06	SWL551	NF	no factor from 2^69 to 2^70
2015-02-03	el grocco	NF	no factor from 2^68 to 2^69
2015-01-25	el grocco	NF	no factor from 2^67 to 2^68
2013-09-27	g0b	NF	no factor from 2^66 to 2^67
2012-07-23	sasaki3	NF	no factor from 2^65 to 2^66
2010-09-13	sasaki3	NF	no factor from 2^64 to 2^65
2010-04-28	sasaki3	NF	no factor from 2^63 to 2^64