84 191 827 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 =	670000
B2 =	12730000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	PRP without proof (not generated)	2019-05-18	ATH	948459C219547B39	11677648	1	3
Verified	Certified Good Power=8	2021-11-11	ATH	948459C219547B39	0	1	3

History

Date	User	Type	Result
2021-11-11	techn1ciaN	CERT	Proof certified good
2021-11-11	ATH	C-PRP	948459C219547B39 Proof Certified Good Proof Power: 8
2019-05-18	ATH	C-PRP	948459C219547B39 Proof Certified Good Proof Power: 8
2019-04-24	ATH	NF	no factor TF: 1-63
2019-04-24	ATH	NF	no factor TF: 63-64
2017-10-29	storm5510	NF-PM1	B1=670000, B2=12730000, E=6
2017-04-19	TheJudger	NF	no factor TF: 74-75
2017-04-19	TheJudger	NF	no factor TF: 75-76
2017-03-13	gcardona	NF	no factor TF: 73-74
2017-01-12	Judge Hale	NF	no factor TF: 71-72
2017-01-12	Judge Hale	NF	no factor TF: 72-73
2014-08-30	SMoffat	NF	no factor TF: 70-71
2014-06-26	sannerud.com	NF	no factor TF: 69-70
2014-06-19	albin_pouilles	NF	no factor TF: 68-69
2014-04-14	Preben S	NF	no factor TF: 67-68
2014-04-12	SMoffat	NF	no factor TF: 66-67
2012-08-13	Carsten Kossendey	NF	no factor TF: 65-66
2010-12-13	Architects Cubed	NF	no factor TF: 64-65