1 863 497 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
59125032817	11	35.8	old
39209539257423098327	20	65.1	2018-05-29 13:28:11

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	132 / 640

Estimated T-Level: 26.0 ⓘ

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)	2017-10-04	Oliver Kruse	FCBBEFE502DA9EF9	1	0	1	3
Verified (Factored)	2017-11-07	kkmrkkblmbrbk	FCBBEFE502DA9EF9	1	1065303	1	3
Verified	2018-06-01	_p95holder_	30A401F405A23768	2	159640	5	3
Verified	2018-06-01	Oliver Kruse	30A401F405A23768	2	134610	5	3

History

Date	User	Type	Result
2018-06-01	Oliver Kruse	C-PRP	M1863497/59125032817/39209539257423098327 : 30A401F405A23768 PRP: Verified PRP without proof (not generated)
2018-06-01	_p95holder_	C-PRP	M1863497/59125032817/39209539257423098327 : 30A401F405A23768 PRP: Verified PRP without proof (not generated)
2018-05-29	TJAOI	F	Factor: 39209539257423098327 / TF: 65-66
2017-11-07	kkmrkkblmbrbk	C-PRP	M1863497/59125032817 : FCBBEFE502DA9EF9 PRP: Verified PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1863497/59125032817 : FCBBEFE502DA9EF9 PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12