2 039 119 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
205729567462629057796100353	27	87.4	2016-04-30 13:33:49

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	129 / 640

Estimated T-Level: 26.0 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Michael Schruf	8F45C475025F9145	0
Verified (Factored)	1999-01-29	Ethan O'Connor	8F45C475025F9145	696052

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-06	Oliver Kruse	DEE5D6739B99FED4	1	0	1	3
Verified	2017-11-14	kkmrkkblmbrbk	DEE5D6739B99FED4	1	153527	1	3

History

Date	User	Type	Result
2017-11-14	kkmrkkblmbrbk	C-PRP	M2039119/205729567462629057796100353 : DEE5D6739B99FED4 PRP: Verified PRP without proof (not generated)
2017-10-06	Oliver Kruse	C-PRP	M2039119/205729567462629057796100353 : DEE5D6739B99FED4 PRP: Verified PRP without proof (not generated)
2016-04-30	bam	F-ECM	Factor: 205729567462629057796100353 / (ECM curve 3, B1=50000, B2=5000000)
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2015-11-01	ramgeis	NF	no factor from 2^65 to 2^66
2015-10-05	Bruno Victal	NF-PM1	B1=500000, B2=15000000, E=12
2015-04-13	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-13	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-10-17	Joss	NF-PM1	B1=162952
2014-07-04	Joss	NF-PM1	B1=131476
2013-08-30	ramgeis	NF	no factor from 2^62 to 2^63
2012-02-11	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2009-02-10	markr	NF-PM1	B1=100000, B2=3000000, E=6
2009-01-03	Sturle Sunde	NF	no factor from 2^60 to 2^61