117 988 267 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 2⁷⁸

TF target 2⁷⁶

P-1

B1 =	763000
B2 =	184570260

Status	Date	User	Residue	Shift	Type	Base
Verified	2023-11-07	Jack Enright	7028A6081292EA94	63872720	1	3

History

Date	User	Type	Result
2023-11-07	COMPUTRON9001	CERT	PRP Certification CERT proof power = 8 Proof certified good
2023-11-07	Jack Enright	C-PRP	7028A6081292EA94 PRP proof power = 8 PRP: Verified Proof certified good
2023-07-18	James Heinrich	NF-PM1	B1=763000, B2=184570260
2023-05-20	-Anonymous-	NF-PM1	B1=642000, B2=60220440
2022-10-23	theojk	NF	no factor from 2^77 to 2^78
2021-11-13	Aerow	NF	no factor from 2^76 to 2^77
2021-06-12	Kriesel	NF	no factor from 2^75 to 2^76
2020-08-19	tsc	NF	no factor from 2^74 to 2^75
2019-08-28	Niels_Mache_Nextcloud	NF	no factor from 2^73 to 2^74
2019-08-28	Niels_Mache_Nextcloud	NF	no factor from 2^72 to 2^73
2015-04-11	endless_mike	NF	no factor from 2^71 to 2^72
2015-04-11	endless_mike	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	SMoffat	NF	no factor from 2^67 to 2^68
2014-12-12	tsc	NF	no factor from 2^66 to 2^67
2012-07-11	carlos56	NF	no factor from 2^65 to 2^66
2010-10-13	Charles A. Morris	NF	no factor from 2^64 to 2^65
2010-05-12	G-Man	NF	no factor from 2^63 to 2^64