117 420 619 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 2⁷⁸

TF target 2⁷⁶

P-1

B1 =	1000000
B2 =	473744700

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=10	2023-06-28	RadosHordosCZ	D2CCE3DB51F5B851	58061825	1	3

History

Date	User	Type	Result
2023-06-28	JacobZ	CERT	Proof certified good
2023-06-28	RadosHordosCZ	C-PRP	D2CCE3DB51F5B851 Proof Certified Good Proof Power: 10
2023-04-08	Mihai Preda	NF-PM1	B1=1000000, B2=473744700
2022-08-08	jwnutter	NF	no factor TF: 77-78
2022-05-08	TheJudger	NF	no factor TF: 76-77
2021-06-30	TheJudger	NF	no factor TF: 75-76
2021-06-30	TheJudger	NF	no factor TF: 74-75
2020-01-26	Niels_Mache_Nextcloud	NF	no factor TF: 73-74
2020-01-26	Niels_Mache_Nextcloud	NF	no factor TF: 72-73
2015-09-13	SRS Technology	NF	no factor TF: 71-72
2015-09-13	SRS Technology	NF	no factor TF: 70-71
2015-09-13	SRS Technology	NF	no factor TF: 69-70
2015-09-13	SRS Technology	NF	no factor TF: 68-69
2015-09-04	el grocco	NF	no factor TF: 67-68
2014-12-09	Matt	NF	no factor TF: 66-67
2012-07-06	oodaira	NF	no factor TF: 65-66
2010-10-11	Charles A. Morris	NF	no factor TF: 64-65
2010-05-16	Richard	NF	no factor TF: 63-64