2 141 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
389663	6	18.6	old
632785545871	12	39.2	old
1110305090903	13	40.0	old
11158404830007938071264870382080615816594875143	47	153.0	2010-09-26 01:15:03

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	9201 / 9201
50	44000000	16550 / 16550
55	110000000	40830 / 40830
60	260000000	61649 / 105362

Estimated T-Level: 57.9 ⓘ

TF below 2^187 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-21	Oliver Kruse	A914EC608379904C	4	0	1	3
Verified	2017-10-02	kkmrkkblmbrbk	A914EC608379904C	4	0	1	3
Verified	2017-12-07	ATH	A914EC608379904C	4	1394	1	3
Verified	2020-04-17	Oliver Kruse	4878012802AC8BFF	4	840	5	3
Verified	2024-01-27	Wentao Huang	4878012802AC8BFF	4	719	5	3

History

Date	User	Type	Result
2024-04-26	masser	NF-PM1	B1=100000000000, B2=281973233185794150
2024-01-27	Wentao Huang	C-PRP	M2141/389663/632785545871/1110305090903/11158404830007938071264870382080615816594875143 : 4878012802AC8BFF PRP: Verified PRP without proof (small exponent)
2020-04-17	Oliver Kruse	C-PRP	M2141/389663/632785545871/1110305090903/11158404830007938071264870382080615816594875143 : 4878012802AC8BFF PRP: Verified PRP without proof (small exponent)
2017-12-07	ATH	C-PRP	M2141/389663/632785545871/1110305090903/11158404830007938071264870382080615816594875143 : A914EC608379904C PRP: Verified PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M2141/389663/632785545871/1110305090903/11158404830007938071264870382080615816594875143 : A914EC608379904C PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M2141/known_factors : A914EC608379904C PRP without proof (not generated)
2016-09-08	kkmrkkblmbrbk	NF-PM1	B1=500000000, B2=50000000000, E=12
2010-09-26	Matthias Wurtinger	F-ECM	Factor: 11158404830007938071264870382080615816594875143