3 832 999 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
91386355729784701073	20	66.3	2012-09-01 12:19:03

ECM

Digits	B1	Curves
25	50000	6 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1998-09-06	Paul Randal & Co	5C42E23FC3CBF823	0
Verified (Factored)	1999-10-29	Nathan Stohs	5C42E23FC3CBF823	3674070

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-20	kkmrkkblmbrbk	DE5E1E5A7476886C	1	0	1	3
Verified	2017-12-17	Oliver Kruse	DE5E1E5A7476886C	1	2891453	1	3

History

Date	User	Type	Result
2022-05-25	Joss	NF-PM1	B1=200000, B2=130364850
2017-12-17	Oliver Kruse	C-PRP	M3832999/91386355729784701073 : DE5E1E5A7476886C PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M3832999/91386355729784701073 : DE5E1E5A7476886C PRP: Verified PRP without proof (not generated)
2012-09-01	S36049	F-ECM	Factor: 91386355729784701073
2012-04-20	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-10-30	Squeeky_Squirrel	NF-PM1	B1=70000, B2=1137500, E=6
2011-03-09	markr	NF	no factor from 2^61 to 2^62
2009-07-27	Carsten Kossendey	NF-PM1	B1=20000, B2=270000
2009-02-26	S485122	NF	no factor from 2^60 to 2^61