11 279 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
2198029886879	13	41.0	old
6075429861017866351	19	62.4	2008-08-29 02:24:27

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	1282 / 9201

Estimated T-Level: 40.7 ⓘ

TF below 2^130 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	63266DCFEA30CF6A	2	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	63266DCFEA30CF6A	2	7267	1	3
Unverified	2020-04-17	Oliver Kruse	266906CA1834D2__	2	10905	5	3

History

Date	User	Type	Result
2023-01-20	-Anonymous-	NF-PM1	B1=100000000000, B2=122192573512709700
2020-04-17	Oliver Kruse	C-PRP	M11279/2198029886879/6075429861017866351 : 266906CA1834D2__ PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M11279/2198029886879/6075429861017866351 : 63266DCFEA30CF6A PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M11279/2198029886879/6075429861017866351 : 63266DCFEA30CF6A PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M11279/2198029886879/6075429861017866351 : 63266DCFEA30CF6A PRP without proof (not generated)
2016-09-07	kkmrkkblmbrbk	NF-PM1	B1=100000000, B2=10000000000, E=12
2008-08-29	-Anonymous-	F-ECM	Factor: 6075429861017866351