1 701 509 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
3189947282747658574439927	25	81.4	2014-09-19 21:46:54
50243016513902117747381510263	29	95.3	2021-05-25 07:03:52

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	172 / 1566

Estimated T-Level: 30.5 ⓘ

TF below 2^96 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Joel Armengaud	74EEEE509DCC0E29	0
Verified (Factored)	1999-03-15	Matthew Gauthier	74EEEE509DCC0E29	1001529

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-03	Oliver Kruse	2EE7BAA82FA15852	1	0	1	3
Verified (Factored)	2017-11-03	kkmrkkblmbrbk	2EE7BAA82FA15852	1	840610	1	3
Verified	2021-05-27	kutens	34EFD2A54C8480AF	2	1340300	5	3

History

Date	User	Type	Result
2021-07-15	Dylan Delgado	NF-PM1	B1=3000000, B2=273000000
2021-05-27	Lindemose	CERT	PRP Certification Proof certified good
2021-05-27	kutens	C-PRP	M1701509/3189947282747658574439927/50243016513902117747381510263 : 34EFD2A54C8480AF PRP proof power = 7 PRP: Verified Proof certified good
2021-05-25	Marcel PERRIN	F-ECM	Factor: 50243016513902117747381510263 / (ECM curve 120, B1=250000, B2=25000000, Sigma=6613210739310458)
2017-11-03	kkmrkkblmbrbk	C-PRP	M1701509/3189947282747658574439927 : 2EE7BAA82FA15852 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-03	Oliver Kruse	C-PRP	M1701509/3189947282747658574439927 : 2EE7BAA82FA15852 PRP: Verified (Factored) PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2014-09-19	Chang Chia-Tche	F-ECM	Factor: 3189947282747658574439927 / (ECM curve 1, B1=50000, B2=5000000)
2014-05-03	Joss	NF-PM1	B1=150000
2014-03-31	Joss	NF-PM1	B1=100000
2011-02-07	Carsten Kossendey	NF-PM1	B1=90000, B2=1507500, E=6
2011-01-27	Joss	NF-PM1	B1=50000
2010-10-04	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-22	Architects Cubed	NF	no factor from 2^60 to 2^61