122 009 999 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 2⁷⁷

P-1

B1 =	623000
B2 =	123208470

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-06-17	Luke Durant	61A0D26EF6DBD352	0	1	3

History

Date	User	Type	Result
2024-06-17	Pappy	CERT	PRP Certification CERT proof power = 9 Proof certified good
2024-06-17	Luke Durant	C-PRP	61A0D26EF6DBD352 PRP proof power = 9 PRP: Verified Proof certified good
2024-03-26	chevron	NF-PM1	B1=623000, B2=123208470
2022-06-26	TheJudger	NF	no factor from 2^76 to 2^77
2021-09-19	linament	NF	no factor from 2^75 to 2^76
2021-08-27	RichD0	NF	no factor from 2^74 to 2^75
2020-01-26	Niels_Mache_Nextcloud	NF	no factor from 2^73 to 2^74
2020-01-26	Niels_Mache_Nextcloud	NF	no factor from 2^72 to 2^73
2015-06-28	ramgeis	NF	no factor from 2^71 to 2^72
2015-06-17	SMoffat	NF	no factor from 2^70 to 2^71
2015-05-22	Judge Hale	NF	no factor from 2^69 to 2^70
2015-05-22	Judge Hale	NF	no factor from 2^68 to 2^69
2015-05-22	Judge Hale	NF	no factor from 2^67 to 2^68
2013-10-19	E.Lechner	NF	no factor from 2^66 to 2^67
2012-08-22	Richard	NF	no factor from 2^65 to 2^66
2010-10-23	sasaki3	NF	no factor from 2^64 to 2^65
2010-05-19	sasaki3	NF	no factor from 2^63 to 2^64