3 915 013 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
25580694943	11	34.6	old
674682148803555499471	21	69.2	2019-04-08 12:39:48

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

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

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-20	kkmrkkblmbrbk	AE7CEC3EA1A7D85C	1	0	1	3
Verified (Factored)	2017-12-29	Oliver Kruse	AE7CEC3EA1A7D85C	1	855678	1	3
Verified	2019-04-08	ATH	6078ED7E5A3BD809	2	3737225	5	3
Verified	2019-04-09	marssystems	6078ED7E5A3BD809	2	3422388	5	3

P-1 factors

Date	Factor	B1	B2
2019-04-08	674682148803555499471	20000	40000

History

Date	User	Type	Result
2022-05-20	Joss	NF-PM1	B1=100000, B2=130364850
2022-03-26	Joss	NF	no factor from 2^67 to 2^68
2022-03-22	Joss	NF-PM1	B1=100000
2022-03-02	Joss	NF-PM1	B1=90000
2019-04-09	marssystems	C-PRP	M3915013/25580694943/674682148803555499471 : 6078ED7E5A3BD809 PRP: Verified PRP without proof (not generated)
2019-04-08	ATH	C-PRP	M3915013/25580694943/674682148803555499471 : 6078ED7E5A3BD809 PRP: Verified PRP without proof (not generated)
2019-04-08	Joss	F-PM1	Factor: 674682148803555499471 / (P-1, B1=20000, B2=40000)
2017-12-29	Oliver Kruse	C-PRP	M3915013/25580694943 : AE7CEC3EA1A7D85C PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M3915013/25580694943 : AE7CEC3EA1A7D85C PRP: Verified PRP without proof (not generated)