1 466 099 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
69005752208785961400572570743	29	95.8	2016-09-16 00:30:26

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	105 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Rich Harms	0FBBB80B7BF1E102	0
Verified (Factored)	1999-05-09	David Campeau	0FBBB80B7BF1E102	153884
Verified (Factored)	2015-06-27	MadPoo	0FBBB80B7BF1E102	129551

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-01	Oliver Kruse	8141A301FA7B38A1	1	0	1	3
Verified	2017-10-28	kkmrkkblmbrbk	8141A301FA7B38A1	1	1248138	1	3

History

Date	User	Type	Result
2017-10-28	kkmrkkblmbrbk	C-PRP	M1466099/69005752208785961400572570743 : 8141A301FA7B38A1 PRP: Verified PRP without proof (not generated)
2017-10-01	Oliver Kruse	C-PRP	M1466099/69005752208785961400572570743 : 8141A301FA7B38A1 PRP: Verified PRP without proof (not generated)
2016-09-16	Chang Chia-Tche	F-ECM	Factor: 69005752208785961400572570743 / (ECM curve 3, B1=50000, B2=5000000)
2016-08-27	Bruno Victal	NF-PM1	B1=2500000, B2=62500000, E=12
2016-08-24	Bruno Victal	NF-PM1	B1=2500000, B2=62500000, E=12
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^62
2015-09-20	ramgeis	NF	no factor from 2^65 to 2^66
2015-06-27	MadPoo	C-LL	0FBBB80B7BF1E102
2015-05-23	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2015-04-01	snme2pm1	NF	no factor from 2^64 to 2^65
2015-04-01	snme2pm1	NF	no factor from 2^63 to 2^64
2011-04-05	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-05-07	Architects Cubed	NF	no factor from 2^60 to 2^61
2009-04-25	axn	NF-PM1	B1=800000, B2=16000000, E=12