84 201 151 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 2⁷⁶

TF target 2⁷⁵

P-1

B1 =	675000
B2 =	13331250

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	PRP without proof (not generated)	2019-04-14	Franklin Webber	DBCB453199A47BE7	51229407	1	3
Verified	PRP without proof (not generated)	2021-11-16	ATH	DBCB453199A47BE7	0	1	3

History

Date	User	Type	Result
2021-11-16	ATH	C-PRP	DBCB453199A47BE7
2019-04-14	Franklin Webber	C-PRP	DBCB453199A47BE7
2017-11-01	Oliver Kruse	NF-PM1	B1=675000, B2=13331250, E=12
2017-04-19	TheJudger	NF	no factor TF: 74-75
2017-04-19	TheJudger	NF	no factor TF: 75-76
2017-03-15	gcardona	NF	no factor TF: 73-74
2017-01-13	Judge Hale	NF	no factor TF: 72-73
2017-01-13	Judge Hale	NF	no factor TF: 71-72
2014-08-30	SMoffat	NF	no factor TF: 70-71
2013-12-16	SMoffat	NF	no factor TF: 69-70
2013-12-15	SMoffat	NF	no factor TF: 68-69
2013-12-12	SMoffat	NF	no factor TF: 67-68
2013-03-10	Alexander Hauser	NF	no factor TF: 66-67
2012-08-30	Carsten Kossendey	NF	no factor TF: 65-66
2010-12-23	Architects Cubed	NF	no factor TF: 64-65