5 015 209 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
10012658245593691703	20	63.1	2010-09-18 23:40:33

ECM

Digits	B1	Curves
25	50000	2 / 280

Estimated T-Level: 20.0 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1998-09-13	Hugh Sconyers	60A8B55DAD49BA6B	0
Verified (Factored)	2000-07-17	Robert Frostick	60A8B55DAD49BA6B	3060829

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-11-21	ATH	BBB108E0DD650D92	1	1531329	5	3
Verified	2018-01-11	kkmrkkblmbrbk	BBB108E0DD650D92	1	2294011	5	3

History

Date	User	Type	Result
2023-04-14	Kevin_9611	NF-PM1	B1=330000, B2=178871550
2018-01-11	kkmrkkblmbrbk	C-PRP	M5015209/10012658245593691703 : BBB108E0DD650D92 PRP: Verified PRP without proof (not generated)
2017-11-21	ATH	C-PRP	M5015209/10012658245593691703 : BBB108E0DD650D92 PRP: Verified PRP without proof (not generated)
2010-09-18	alan145	F-ECM	Factor: 10012658245593691703
2009-07-15	USAFSS	NF-PM1	B1=55000, B2=907500, E=6