1 825 039 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
169108615570973831	18	57.2	old
1077556895940053786953	22	69.9	2020-07-10 19:15:15

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	106 / 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	Shift
Verified (Factored)		Ken Kriesel	2CC892F09E1E6CAC	0
Verified (Factored)	1998-12-21	Tonto Dutta	2CC892F09E1E6CAC	863195

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-04	Oliver Kruse	37D6DB2D1C480B36	1	0	1	3
Verified (Factored)	2017-11-06	kkmrkkblmbrbk	37D6DB2D1C480B36	1	220884	1	3
Verified	2020-07-11	mrh	613342CD48C0D0C2	2	1077147	5	3
Verified	2020-07-15	Bommer	613342CD48C0D0C2	2	1035913	5	3

History

Date	User	Type	Result
2020-07-15	Bommer	C-PRP	M1825039/169108615570973831/1077556895940053786953 : 613342CD48C0D0C2 PRP: Verified PRP without proof (not generated)
2020-07-11	mrh	C-PRP	M1825039/169108615570973831/1077556895940053786953 : 613342CD48C0D0C2 PRP: Verified PRP without proof (not generated)
2020-07-10	_p95holder_	F-ECM	Factor: 1077556895940053786953 / (ECM curve 1, B1=50000, B2=5000000)
2017-11-06	kkmrkkblmbrbk	C-PRP	M1825039/169108615570973831 : 37D6DB2D1C480B36 PRP: Verified PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1825039/169108615570973831 : 37D6DB2D1C480B36 PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12