1 794 913 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
5198068049	10	32.3	old
242395820999	12	37.8	2008-07-15 07:46:43
34721159570945851607	20	64.9	2017-12-14 11:49:36

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	108 / 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)	2017-10-03	Oliver Kruse	7F15D10868AB3601	2	0	1	3
Verified (Factored)	2017-11-05	kkmrkkblmbrbk	7F15D10868AB3601	2	487688	1	3
Verified	2017-12-16	Oliver Kruse	8CA916C5B30E8CB9	3	106546	5	3
Verified	2017-12-16	kkmrkkblmbrbk	8CA916C5B30E8CB9	3	1515551	5	3

History

Date	User	Type	Result
2017-12-16	kkmrkkblmbrbk	C-PRP	M1794913/5198068049/242395820999/34721159570945851607 : 8CA916C5B30E8CB9 PRP: Verified PRP without proof (not generated)
2017-12-16	Oliver Kruse	C-PRP	M1794913/5198068049/242395820999/34721159570945851607 : 8CA916C5B30E8CB9 PRP: Verified PRP without proof (not generated)
2017-12-14	ATH	F-ECM	Factor: 34721159570945851607 / (ECM curve 2, B1=50000, B2=5000000)
2017-11-05	kkmrkkblmbrbk	C-PRP	M1794913/5198068049/242395820999 : 7F15D10868AB3601 PRP: Verified PRP without proof (not generated)
2017-10-03	Oliver Kruse	C-PRP	M1794913/5198068049/242395820999 : 7F15D10868AB3601 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: 242395820999