2 088 787 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
50130889	8	25.6	old
694897659161	12	39.3	2008-07-15 07:50:09
3084691398583	13	41.5	2008-07-15 07:50:09
14895390751441	14	43.8	2008-08-26 20:20:39
659210316508935244783	21	69.2	2015-02-04 20:51:43
11106405527635886755207	23	73.2	2022-02-03 05:10:36

ECM

Digits	B1	Curves
25	50000	105 / 280

Estimated T-Level: 21.9 ⓘ

TF below 2^68 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-06	Oliver Kruse	BB67C95FF58071AF	1	0	1	3
Verified (Factored)	2017-10-17	Oliver Kruse	BC1A62A6B3E4FCF6	5	1004415	5	3
Verified (Factored)	2017-11-17	kkmrkkblmbrbk	BC1A62A6B3E4FCF6	5	1737710	5	3
Verified	2022-02-05	_p95holder_	BC1A62A6B3E4FCF6	6	737010	5	3

P-1 factors

Date	Factor	B1	B2
2015-02-04	659210316508935244783	500000	1500000

History

Date	User	Type	Result
2022-02-05	_p95holder_	C-PRP	M2088787/50130889/3084691398583/694897659161/14895390751441/659210316508935244783/11106405527635886755207 : BC1A62A6B3E4FCF6 PRP: Verified PRP without proof (not generated)
2022-02-03	_p95holder_	F-ECM	Factor: 11106405527635886755207 / (ECM curve 3, B1=50000, B2=5000000)
2017-11-17	kkmrkkblmbrbk	C-PRP	M2088787/50130889/3084691398583/694897659161/14895390751441/659210316508935244783 : BC1A62A6B3E4FCF6 PRP: Verified PRP without proof (not generated)
2017-10-17	Oliver Kruse	C-PRP	M2088787/50130889/3084691398583/694897659161/14895390751441/659210316508935244783 : BC1A62A6B3E4FCF6 PRP: Verified PRP without proof (not generated)
2017-10-06	Oliver Kruse	C-PRP	M2088787/50130889/3084691398583/694897659161/14895390751441/659210316508935244783 : BB67C95FF58071AF PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2015-02-04	pdazzl	F-PM1	Factor: 659210316508935244783 / (P-1, B1=500000, B2=1500000, E=6)
2008-08-26	-Anonymous-	F	Factor: 14895390751441
2008-07-15	J Feitsma	F	Factor: 694897659161
2008-07-15	J Feitsma	F	Factor: 3084691398583