1 374 019 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
1376767039	10	30.4	old
44091991622080014948847	23	75.2	2018-07-20 22:33:54

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	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-30	Oliver Kruse	0DA609CDB3C81EED	1	0	1	3
Verified (Factored)	2017-10-25	kkmrkkblmbrbk	0DA609CDB3C81EED	1	190361	1	3
Verified	2018-07-21	Gabriel Lignelli	769B9F6A942AB861	2	736972	5	3
Verified	2018-07-22	Battlemaxx	769B9F6A942AB861	2	970626	5	3

History

Date	User	Type	Result
2018-07-22	Battlemaxx	C-PRP	M1374019/1376767039/44091991622080014948847 : 769B9F6A942AB861 PRP: Verified PRP without proof (not generated)
2018-07-21	Gabriel Lignelli	C-PRP	M1374019/1376767039/44091991622080014948847 : 769B9F6A942AB861 PRP: Verified PRP without proof (not generated)
2018-07-20	Chang Chia-Tche	F-ECM	Factor: 44091991622080014948847 / (ECM curve 1, B1=50000, B2=5000000)
2017-10-25	kkmrkkblmbrbk	C-PRP	M1374019/1376767039 : 0DA609CDB3C81EED PRP: Verified PRP without proof (not generated)
2017-09-30	Oliver Kruse	C-PRP	M1374019/1376767039 : 0DA609CDB3C81EED PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12