2 036 891 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
668083952873	12	39.3	old
35531803621177	14	45.0	2008-09-30 14:36:21
17930146353421721	17	54.0	2014-10-26 12:33:51
6384235312765428727319	22	72.4	2016-01-16 16:05:41
50309032238534868938417	23	75.4	2022-11-21 17:54:23

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	157 / 640

Estimated T-Level: 26.2 ⓘ

TF below 2^82 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	72253EDA7DDAA99E	4	0	1	3
Verified (Factored)	2017-10-20	Oliver Kruse	72253EDA7DDAA99E	4	1856119	1	3
Verified	2022-11-23	LordJulius	7F304B9DEF10EB24	5	1455651	5	3

P-1 factors

Date	Factor	B1	B2
2016-01-16	6384235312765428727319	500000	15000000

History

Date	User	Type	Result
2022-11-23	Robert Walker	CERT	PRP Certification Proof certified good
2022-11-23	LordJulius	C-PRP	M2036891/668083952873/35531803621177/17930146353421721/6384235312765428727319/50309032238534868938417 : 7F304B9DEF10EB24 PRP proof power = 7 PRP: Verified Proof certified good
2022-11-21	_p95holder_	F-ECM	Factor: 50309032238534868938417 / (ECM curve 1, B1=50000, B2=5000000)
2017-10-20	Oliver Kruse	C-PRP	M2036891/668083952873/35531803621177/17930146353421721/6384235312765428727319 : 72253EDA7DDAA99E PRP: Verified (Factored) PRP without proof (not generated)
2017-09-30	alpertron	C-PRP	M2036891/17930146353421721/35531803621177/6384235312765428727319/668083952873 : 72253EDA7DDAA99E PRP: Verified (Factored) PRP without proof (not generated)
2016-01-16	alpertron	F-PM1	Factor: 6384235312765428727319 / (P-1, B1=500000, B2=15000000, E=12)
2014-10-26	TJAOI	F	Factor: 17930146353421721 / TF: 53-54
2008-09-30	markr	F	Factor: 35531803621177