6 960 193 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

TF

No factors below 2⁷²

TF target 2⁶⁷

P-1

B1 =	4000000
B2 =	456818670

ECM

Digits	B1	Curves
25	50000	6 / 280

Estimated T-Level: 20.1 ⓘ

Status	Date	User	Residue	Shift
Verified		Kevin D. Quitt	A874F04BF67C9FAE	3359452
Verified	2001-06-17	Marcel van de Vusse	A874F04BF67C9FAE	1105257
Verified	2001-11-03	David Willmore	A874F04BF67C9FAE	492278

History

Date	User	Type	Result
2021-12-04	Seth_Tr	NF-PM1	B1=4000000, B2=456818670
2021-11-05	Seth_Tr	NF-PM1	B1=2000000, B2=58000000, E=12
2021-09-25	SRBase	NF	no factor from 2^71 to 2^72
2016-01-06	ramgeis	NF	no factor from 2^70 to 2^71
2014-03-30	ramgeis	NF	no factor from 2^69 to 2^70
2014-03-30	ramgeis	NF	no factor from 2^68 to 2^69
2014-03-30	ramgeis	NF	no factor from 2^67 to 2^68
2014-03-30	ramgeis	NF	no factor from 2^66 to 2^67
2014-01-17	lycorn	NF	no factor from 2^65 to 2^66
2013-08-05	Nesowa	NF-PM1	B1=435000, B2=11310000, E=12