108 418 241 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 2⁷⁶

TF target 2⁷⁶

P-1

B1 =	925000
B2 =	54142000

Status	Date	User	Residue	Shift	Type	Base
Verified	2022-01-07	Ben Delo	181FE067CFDC3DC6	23074609	1	3

History

Date	User	Type	Result
2022-01-07	curtisc	CERT	PRP Certification CERT proof power = 8 Proof certified good
2022-01-07	Ben Delo	C-PRP	181FE067CFDC3DC6 PRP proof power = 8 PRP: Verified Proof certified good
2022-01-06	Ben Delo	NF-PM1	B1=925000, B2=54142000
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
2019-10-13	Niels_Mache_Nextcloud	NF	no factor from 2^73 to 2^74
2019-10-13	Niels_Mache_Nextcloud	NF	no factor from 2^72 to 2^73
2015-01-26	endless_mike	NF	no factor from 2^71 to 2^72
2014-11-02	shauge	NF	no factor from 2^70 to 2^71
2014-11-02	shauge	NF	no factor from 2^69 to 2^70
2014-11-02	shauge	NF	no factor from 2^68 to 2^69
2014-11-01	-Anonymous-	NF	no factor from 2^67 to 2^68
2014-10-31	g0b	NF	no factor from 2^66 to 2^67
2012-05-28	alan145	NF	no factor from 2^65 to 2^66
2010-09-10	Commaster	NF	no factor from 2^64 to 2^65
2010-05-04	Richard	NF	no factor from 2^63 to 2^64