117 918 893 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 =	837000
B2 =	256453890

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-03-18	ANONYMOUS	16C78ED83F558337	38017456	1	3

History

Date	User	Type	Result
2024-03-18	willawoga	CERT	PRP Certification CERT proof power = 8 Proof certified good
2024-03-18	ANONYMOUS	C-PRP	16C78ED83F558337 PRP proof power = 8 PRP: Verified Proof certified good
2023-05-11	i8087	NF-PM1	B1=837000, B2=256453890
2022-02-26	voidf	NF	no factor from 2^76 to 2^77
2021-07-02	TheJudger	NF	no factor from 2^75 to 2^76
2021-03-09	hkt	NF	no factor from 2^74 to 2^75
2019-11-17	Niels_Mache_Nextcloud	NF	no factor from 2^73 to 2^74
2019-11-17	Niels_Mache_Nextcloud	NF	no factor from 2^72 to 2^73
2015-04-20	junkcalc	NF	no factor from 2^71 to 2^72
2015-04-13	junkcalc	NF	no factor from 2^70 to 2^71
2015-04-06	La Güira	NF	no factor from 2^69 to 2^70
2015-04-06	La Güira	NF	no factor from 2^68 to 2^69
2015-03-26	Judge Hale	NF	no factor from 2^67 to 2^68
2014-12-12	ANONYMOUS	NF	no factor from 2^66 to 2^67
2012-07-10	sannerud.com	NF	no factor from 2^65 to 2^66
2010-10-12	sasaki3	NF	no factor from 2^64 to 2^65
2010-05-12	sasaki3	NF	no factor from 2^63 to 2^64