2 056 193 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
3175754263306914039712094951	28	91.4	2016-07-17 19:33:57

ECM

Digits	B1	Curves
25	50000	178 / 280

Estimated T-Level: 23.2 ⓘ

TF below 2^72 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Joel Armengaud	E8EA4A802F7829F9	0
Verified (Factored)	1999-01-29	Holger Paschke	E8EA4A802F7829F9	291678
Verified (Factored)	2016-07-15	Mark Rose	E8EA4A802F7829F9	44935

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-06	Oliver Kruse	65112D9274AD1E20	1	0	1	3
Verified	2017-11-15	ATH	65112D9274AD1E20	1	1799532	1	3

History

Date	User	Type	Result
2023-01-27	USAFSS	NF-PM1	B1=288000, B2=287772030
2017-11-15	ATH	C-PRP	M2056193/3175754263306914039712094951 : 65112D9274AD1E20 PRP: Verified PRP without proof (not generated)
2017-10-06	Oliver Kruse	C-PRP	M2056193/3175754263306914039712094951 : 65112D9274AD1E20 PRP: Verified PRP without proof (not generated)
2016-07-17	bam	F-ECM	Factor: 3175754263306914039712094951 / (ECM curve 1, B1=50000, B2=5000000)
2016-07-15	Mark Rose	C-LL	E8EA4A802F7829F9
2016-05-15	Joss	NF-PM1	B1=270000, B2=4860000, E=6
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2015-11-03	ramgeis	NF	no factor from 2^65 to 2^66
2015-04-21	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-21	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-10-26	Joss	NF-PM1	B1=166215
2013-09-01	ramgeis	NF	no factor from 2^62 to 2^63
2012-03-11	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-22	James Heinrich	NF-PM1	B1=135000, B2=2902500, E=6
2011-01-06	Joss	NF-PM1	B1=50000
2010-12-26	Joss	NF-PM1	B1=30000
2009-06-21	USAFSS	NF-PM1	B1=20000, B2=260000
2009-01-03	Sturle Sunde	NF	no factor from 2^60 to 2^61