1 786 679 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
333686873659609	15	48.2	old
440977351399063	15	48.6	2008-08-26 20:20:02
3285952672761194782541353	25	81.4	2020-06-08 18:21:09

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	107 / 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)	2017-10-03	Oliver Kruse	21DE5C6D13B38B95	2	0	1	3
Verified (Factored)	2017-11-05	kkmrkkblmbrbk	21DE5C6D13B38B95	2	312973	1	3
Verified	2020-06-08	riccardo uberti	E0AEB7F5D1F62F21	3	1659860	5	3
Verified	2020-06-08	ATH	E0AEB7F5D1F62F21	3	95080	5	3

History

Date	User	Type	Result
2020-06-08	ATH	C-PRP	M1786679/333686873659609/440977351399063/3285952672761194782541353 : E0AEB7F5D1F62F21 PRP: Verified PRP without proof (not generated)
2020-06-08	riccardo uberti	C-PRP	M1786679/333686873659609/440977351399063/3285952672761194782541353 : E0AEB7F5D1F62F21 PRP: Verified PRP without proof (not generated)
2020-06-08	nordi	F-ECM	Factor: 3285952672761194782541353 / (ECM curve 12, B1=50000, B2=5000000, Sigma=8355518828296184)
2017-11-05	kkmrkkblmbrbk	C-PRP	M1786679/333686873659609/440977351399063 : 21DE5C6D13B38B95 PRP: Verified PRP without proof (not generated)
2017-10-03	Oliver Kruse	C-PRP	M1786679/333686873659609/440977351399063 : 21DE5C6D13B38B95 PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2008-08-26	-Anonymous-	F	Factor: 440977351399063