2 016 587 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
150453697229388656457503	24	77.0	2017-12-11 07:33:21

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	116 / 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	Shift
Verified (Factored)		Wart	3E10F90C2BA8B07D	0
Verified (Factored)	1999-01-17	steve-glinka	3E10F90C2BA8B07D	84824
Verified (Factored)	2016-07-15	Mark Rose	3E10F90C2BA8B07D	1463228

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-12-15	Oliver Kruse	AD9EE09FF62983A7	1	1158800	5	3
Verified	2017-12-15	kkmrkkblmbrbk	AD9EE09FF62983A7	1	468111	5	3
Verified	2017-12-25	Yaroslav Berezhko	AD9EE09FF62983A7	1	291311	5	3

History

Date	User	Type	Result
2017-12-25	Yaroslav Berezhko	C-PRP	M2016587/150453697229388656457503 : AD9EE09FF62983A7 PRP: Verified PRP without proof (not generated)
2017-12-15	kkmrkkblmbrbk	C-PRP	M2016587/150453697229388656457503 : AD9EE09FF62983A7 PRP: Verified PRP without proof (not generated)
2017-12-15	Oliver Kruse	C-PRP	M2016587/150453697229388656457503 : AD9EE09FF62983A7 PRP: Verified PRP without proof (not generated)
2017-12-11	Sid & Andy	F-ECM	Factor: 150453697229388656457503 / (ECM curve 19, B1=50000, B2=5000000)
2016-07-16	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-07-15	Mark Rose	C-LL	3E10F90C2BA8B07D
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2015-10-28	ramgeis	NF	no factor from 2^65 to 2^66
2015-03-15	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-15	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-10-15	David Campeau	NF-PM1	B1=640000, B2=14080000, E=12
2013-06-06	David Campeau	NF	no factor from 2^62 to 2^63
2012-02-03	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2010-12-05	Joss	NF-PM1	B1=201658
2009-01-02	Sturle Sunde	NF	no factor from 2^60 to 2^61