1 935 293 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
1292435391114193	16	50.2	old
4725499019786833	16	52.1	2014-07-24 11:51:30
230380558690383191087	21	67.6	2020-11-17 23:42:47

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	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-05	Oliver Kruse	DFFD771D9C4F4573	2	0	1	3
Verified (Factored)	2017-11-11	kkmrkkblmbrbk	DFFD771D9C4F4573	2	1048512	1	3
Verified	2020-11-18	mrh	6D74B1111D8E0DF2	3	1850891	5	3

History

Date	User	Type	Result
2020-11-18	garo	CERT	PRP Certification Proof certified good
2020-11-18	mrh	C-PRP	M1935293/1292435391114193/4725499019786833/230380558690383191087 : 6D74B1111D8E0DF2 PRP proof power = 7 PRP: Verified Proof certified good
2020-11-17	_p95holder_	F-ECM	Factor: 230380558690383191087 / (ECM curve 2, B1=50000, B2=5000000)
2017-11-11	kkmrkkblmbrbk	C-PRP	M1935293/1292435391114193/4725499019786833 : DFFD771D9C4F4573 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M1935293/1292435391114193/4725499019786833 : DFFD771D9C4F4573 PRP: Verified (Factored) PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2014-07-24	TJAOI	F	Factor: 4725499019786833