120 194 807 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with PRP test

No factors below 2⁷⁷

TF target 2⁷⁷

P-1

B1 =	972000
B2 =	61485600

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2024-04-19	Luke Durant	0D40844E42DC3794	0	1	3

History

Date	User	Type	Result
2024-04-19	garyh	CERT	Proof certified good
2024-04-19	Luke Durant	C-PRP	Proof Certified Good Proof Power: 8
2023-12-23	Architects Cubed	NF-PM1	B1=972000, B2=61485600
2022-05-23	TheJudger	NF	no factor TF: 76-77
2021-07-11	TheJudger	NF	no factor TF: 75-76
2021-07-11	TheJudger	NF	no factor TF: 74-75
2021-05-25	Flaukrotist	NF	no factor TF: 73-74
2020-10-25	SRBase	NF	no factor TF: 72-73
2015-11-20	SMoffat	NF	no factor TF: 71-72
2015-11-15	SourceBinary.com	NF	no factor TF: 70-71
2015-05-09	SMoffat	NF	no factor TF: 69-70
2015-04-25	Mihai Preda	NF	no factor TF: 68-69
2015-01-05	caddr	NF	no factor TF: 67-68
2013-04-08	E.Lechner	NF	no factor TF: 66-67
2012-08-09	Richard	NF	no factor TF: 65-66
2010-10-18	sasaki3	NF	no factor TF: 64-65
2010-05-16	Torchwood Institute	NF	no factor TF: 63-64