1 481 113 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
686110786121	12	39.3	old
57813527863921	14	45.7	2008-09-30 13:29:58
38330032882063582433503	23	75.0	2018-10-06 04:52:17

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)	2017-10-01	Oliver Kruse	3788A2F80084C84F	2	0	1	3
Verified (Factored)	2017-10-28	kkmrkkblmbrbk	3788A2F80084C84F	2	1265456	1	3
Verified	2018-10-06	Oliver Kruse	670E0809A9945C14	3	38818	5	3
Verified	2018-10-07	pew	670E0809A9945C14	3	1133779	5	3

History

Date	User	Type	Result
2023-10-27	Anton Tsvetkov	NF-PM1	B1=5000000, B2=1006114200
2018-10-07	pew	C-PRP	M1481113/686110786121/57813527863921/38330032882063582433503 : 670E0809A9945C14 PRP: Verified PRP without proof (not generated)
2018-10-06	Oliver Kruse	C-PRP	M1481113/686110786121/57813527863921/38330032882063582433503 : 670E0809A9945C14 PRP: Verified PRP without proof (not generated)
2018-10-06	Chang Chia-Tche	F-ECM	Factor: 38330032882063582433503 / (ECM curve 3, B1=50000, B2=5000000)
2017-10-28	kkmrkkblmbrbk	C-PRP	M1481113/686110786121/57813527863921 : 3788A2F80084C84F PRP: Verified PRP without proof (not generated)
2017-10-01	Oliver Kruse	C-PRP	M1481113/686110786121/57813527863921 : 3788A2F80084C84F PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2008-09-30	markr	F	Factor: 57813527863921