1 567 117 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
2319333161	10	31.1	old
17653176573553191823	20	63.9	2017-06-14 11:08:38
414274146719566998649	21	68.5	2017-12-03 23:20:04

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	107 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-28	alpertron	89257BF371322965	2	0	1	3
Verified (Factored)	2017-10-18	Oliver Kruse	89257BF371322965	2	590828	1	3
Verified	2017-12-04	kkmrkkblmbrbk	9FD2693C53BDB847	3	412258	5	3
Verified	2017-12-04	Yaroslav Berezhko	9FD2693C53BDB847	3	1292310	5	3
Verified	2017-12-05	Chang Chia-Tche	9FD2693C53BDB847	3	1213976	5	3

History

Date	User	Type	Result
2017-12-05	Chang Chia-Tche	C-PRP	M1567117/2319333161/17653176573553191823/414274146719566998649 : 9FD2693C53BDB847 PRP: Verified PRP without proof (not generated)
2017-12-04	Yaroslav Berezhko	C-PRP	M1567117/2319333161/17653176573553191823/414274146719566998649 : 9FD2693C53BDB847 PRP: Verified PRP without proof (not generated)
2017-12-04	kkmrkkblmbrbk	C-PRP	M1567117/2319333161/17653176573553191823/414274146719566998649 : 9FD2693C53BDB847 PRP: Verified PRP without proof (not generated)
2017-12-03	ATH	F-ECM	Factor: 414274146719566998649 / (ECM curve 3, B1=50000, B2=5000000)
2017-10-18	Oliver Kruse	C-PRP	M1567117/2319333161/17653176573553191823 : 89257BF371322965 PRP: Verified PRP without proof (not generated)
2017-09-28	alpertron	C-PRP	M1567117/17653176573553191823/2319333161 : 89257BF371322965 PRP: Verified PRP without proof (not generated)
2017-06-14	TJAOI	F	Factor: 17653176573553191823 / TF: 63-64
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12