1 865 011 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
18650111	8	24.2	old
242451431	9	27.9	2008-07-15 07:47:34
13916219719097	14	43.7	2008-09-30 13:30:25
57210331431601	14	45.7	2014-01-28 11:29:00
3429902397420139941799	22	71.5	2020-07-03 11:34:25

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)	2017-10-05	Oliver Kruse	1502D0B5A8E77CBE	4	0	1	3
Verified (Factored)	2017-11-11	kkmrkkblmbrbk	1502D0B5A8E77CBE	4	991780	1	3
Verified	2020-07-03	M Miller	A6FEB5C6394BDB45	5	187053	5	3
Verified	2020-07-04	marssystems	A6FEB5C6394BDB45	5	870104	5	3

History

Date	User	Type	Result
2020-07-04	marssystems	C-PRP	M1865011/18650111/242451431/13916219719097/57210331431601/3429902397420139941799 : A6FEB5C6394BDB45 PRP: Verified PRP without proof (not generated)
2020-07-03	M Miller	C-PRP	M1865011/18650111/242451431/13916219719097/57210331431601/3429902397420139941799 : A6FEB5C6394BDB45 PRP: Verified PRP without proof (not generated)
2020-07-03	nordi	F-ECM	Factor: 3429902397420139941799 / (ECM curve 3, B1=50000, B2=5000000, Sigma=7196587617965843)
2017-11-11	kkmrkkblmbrbk	C-PRP	M1865011/18650111/242451431/13916219719097/57210331431601 : 1502D0B5A8E77CBE PRP: Verified PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M1865011/18650111/242451431/13916219719097/57210331431601 : 1502D0B5A8E77CBE PRP: Verified PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1865011/18650111/242451431/13916219719097/57210331431601 : 1502D0B5A8E77CBE PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2014-01-28	TJAOI	F	Factor: 57210331431601
2008-09-30	markr	F	Factor: 13916219719097
2008-07-15	J Feitsma	F	Factor: 242451431