113 281 997 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 =	550000
B2 =	21175000

Status	Date	User	Residue	Shift	Type	Base
Verified	2023-07-13	ky0uraku	8209B6432B6B50CC	4034476	1	3

History

Date	User	Type	Result
2023-07-14	lugge_wa	CERT	PRP Certification CERT proof power = 9 Proof certified good
2023-07-13	ky0uraku	C-PRP	8209B6432B6B50CC PRP proof power = 9 PRP: Verified Proof certified good
2022-04-15	TheJudger	NF	no factor from 2^76 to 2^77
2022-03-30	Ryan Propper	NF-PM1	B1=550000, B2=21175000
2021-01-20	arpcar	NF	no factor from 2^75 to 2^76
2021-01-17	arpcar	NF	no factor from 2^74 to 2^75
2020-08-28	Zenzoma	NF	no factor from 2^73 to 2^74
2020-04-22	SRBase	NF	no factor from 2^72 to 2^73
2019-01-05	Niels_Mache_Nextcloud	NF	no factor from 2^71 to 2^72
2015-03-01	workerthread	NF	no factor from 2^70 to 2^71
2015-02-21	workerthread	NF	no factor from 2^69 to 2^70
2015-02-15	SMoffat	NF	no factor from 2^68 to 2^69
2015-02-12	SMoffat	NF	no factor from 2^67 to 2^68
2013-10-12	-Anonymous-	NF	no factor from 2^66 to 2^67
2012-06-05	sasaki3	NF	no factor from 2^65 to 2^66
2010-09-28	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-06-19	1997rj7	NF	no factor from 2^63 to 2^64
2010-06-14	-Anonymous-	NF	no factor from 2^63 to 2^64