2 011 753 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
32188049	8	24.9	old
73283092172441	14	46.1	2008-08-26 20:20:29
3846601553395234841309591	25	81.7	2021-11-05 13:52:59

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	115 / 640

Estimated T-Level: 25.9 ⓘ

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	96E2EDC4B6F33326	2	0	1	3
Verified (Factored)	2017-11-13	ATH	96E2EDC4B6F33326	2	1210513	1	3
Verified	2021-11-05	SRJ2877	9FB51D96216AF638	3	96712	5	3

History

Date	User	Type	Result
2021-11-05	techn1ciaN	CERT	PRP Certification Proof certified good
2021-11-05	SRJ2877	C-PRP	M2011753/32188049/73283092172441/3846601553395234841309591 : 9FB51D96216AF638 PRP proof power = 7 PRP: Verified Proof certified good
2021-11-05	_p95holder_	F-ECM	Factor: 3846601553395234841309591 / (ECM curve 4, B1=50000, B2=5000000)
2017-11-13	ATH	C-PRP	M2011753/32188049/73283092172441 : 96E2EDC4B6F33326 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M2011753/32188049/73283092172441 : 96E2EDC4B6F33326 PRP: Verified (Factored) PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2008-08-26	-Anonymous-	F	Factor: 73283092172441