2 162 959 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
7033534518696549911	19	62.6	2013-09-08 17:50:53
50437610012064623211769	23	75.4	2022-06-07 11:42:17

ECM

Digits	B1	Curves
25	50000	95 / 280

Estimated T-Level: 21.7 ⓘ

TF below 2^67 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Magnus Gustafsson	F7557B89F591182D	0
Verified (Factored)	1999-04-23	Frederick Adkins	F7557B89F591182D	1300324

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-09	Oliver Kruse	7FEDD276E325E911	1	0	1	3
Verified (Factored)	2017-11-19	kkmrkkblmbrbk	7FEDD276E325E911	1	1207127	1	3
Verified	2022-06-11	_p95holder_	B0FDB128320D4D5B	2	159381	5	3
Verified	2022-06-13	XZT	B0FDB128320D4D5B	2	184420	5	3

History

Date	User	Type	Result
2022-06-13	iwes	CERT	PRP Certification Proof certified good
2022-06-13	XZT	C-PRP	M2162959/7033534518696549911/50437610012064623211769 : B0FDB128320D4D5B PRP proof power = 7 PRP: Verified Proof certified good
2022-06-11	_p95holder_	C-PRP	M2162959/7033534518696549911/50437610012064623211769 : B0FDB128320D4D5B PRP: Verified PRP without proof (not generated)
2022-06-07	_p95holder_	F-ECM	Factor: 50437610012064623211769 / (ECM curve 6, B1=50000, B2=5000000)
2022-03-09	LordJulius	NF	no factor from 2^1 to 2^60
2017-11-19	kkmrkkblmbrbk	C-PRP	M2162959/7033534518696549911 : 7FEDD276E325E911 PRP: Verified PRP without proof (not generated)
2017-10-09	Oliver Kruse	C-PRP	M2162959/7033534518696549911 : 7FEDD276E325E911 PRP: Verified PRP without proof (not generated)
2016-04-03	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2013-09-08	ramgeis	F	Factor: 7033534518696549911 / TF: 62-63
2011-01-22	markr	NF-PM1	B1=120000, B2=2340000, E=6
2011-01-15	Joss	NF-PM1	B1=50000
2010-11-07	Joss	NF-PM1	B1=30000
2010-11-04	Joss	NF-PM1	B1=15000
2009-01-06	Sturle Sunde	NF	no factor from 2^61 to 2^62
2009-01-04	Sturle Sunde	NF	no factor from 2^60 to 2^61