170 579 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
1364633	7	20.4	old
2076050144239344304335217	25	80.8	2018-06-10 23:52:15
1526821583433008786233985447	28	90.3	2017-04-19 00:01:59

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	635 / 640

Estimated T-Level: 30.0 ⓘ

TF below 2^95 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-22	Oliver Kruse	6852C45C49563F0A	2	0	1	3
Verified (Factored)	2017-10-12	kkmrkkblmbrbk	6852C45C49563F0A	2	24337	1	3
Verified	2018-06-11	Chang Chia-Tche	662164B56DB4C5E6	3	64574	5	3
Verified	2018-06-11	ANONYMOUS	662164B56DB4C5E6	3	29574	5	3
Verified	2018-06-12	arnaud	662164B56DB4C5E6	3	13866	5	3

P-1 factors

Date	Factor	B1	B2
2017-04-19	1526821583433008786233985447	100000000	2000000000

History

Date	User	Type	Result
2018-06-12	arnaud	C-PRP	M170579/1364633/1526821583433008786233985447/2076050144239344304335217 : 662164B56DB4C5E6 PRP: Verified PRP without proof (small exponent)
2018-06-11	ANONYMOUS	C-PRP	M170579/1364633/2076050144239344304335217/1526821583433008786233985447 : 662164B56DB4C5E6 PRP: Verified PRP without proof (small exponent)
2018-06-11	Chang Chia-Tche	C-PRP	M170579/1364633/1526821583433008786233985447/2076050144239344304335217 : 662164B56DB4C5E6 PRP: Verified PRP without proof (small exponent)
2018-06-10	Yxinity	F-ECM	Factor: 2076050144239344304335217 / (ECM curve 1, B1=250000, B2=25000000)
2017-10-12	kkmrkkblmbrbk	C-PRP	M170579/1364633/1526821583433008786233985447 : 6852C45C49563F0A PRP: Verified PRP without proof (small exponent)
2017-09-22	Oliver Kruse	C-PRP	M170579/1364633/1526821583433008786233985447 : 6852C45C49563F0A PRP: Verified PRP without proof (not generated)
2017-09-22	Oliver Kruse	C-PRP	M170579/1364633/1526821583433008786233985447 : 6852C45C49563F0A PRP without proof (not generated)
2017-04-19	kkmrkkblmbrbk	F-PM1	Factor: 1526821583433008786233985447 / (P-1, B1=100000000, B2=2000000000, E=12)