1 704 041 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
167606064679	12	37.3	old
375229828201	12	38.4	2008-07-15 07:45:34
260489222350085594783	21	67.8	2019-05-07 20:50:12

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)	2017-09-30	alpertron	37B5E4BFAAA9F4A9	2	0	1	3
Verified (Factored)	2017-10-18	Oliver Kruse	37B5E4BFAAA9F4A9	2	681832	1	3
Verified	2019-05-08	artorollo	0D578E676D5593B4	3	1546609	5	3
Verified	2019-05-09	kkmrkkblmbrbk	0D578E676D5593B4	3	324682	5	3

History

Date	User	Type	Result
2021-07-21	Dylan Delgado	NF-PM1	B1=3000000, B2=273000000
2021-04-07	Dylan Delgado	NF-PM1	B1=1000000, B2=69000000
2019-05-09	kkmrkkblmbrbk	C-PRP	M1704041/167606064679/375229828201/260489222350085594783 : 0D578E676D5593B4 PRP: Verified PRP without proof (not generated)
2019-05-08	artorollo	C-PRP	M1704041/167606064679/375229828201/260489222350085594783 : 0D578E676D5593B4 PRP: Verified PRP without proof (not generated)
2019-05-07	Chang Chia-Tche	F-ECM	Factor: 260489222350085594783 / (ECM curve 3, B1=50000, B2=5000000)
2017-10-18	Oliver Kruse	C-PRP	M1704041/167606064679/375229828201 : 37B5E4BFAAA9F4A9 PRP: Verified PRP without proof (not generated)
2017-09-30	alpertron	C-PRP	M1704041/167606064679/375229828201 : 37B5E4BFAAA9F4A9 PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2008-07-15	J Feitsma	F	Factor: 375229828201