1 569 289 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
6487440727	10	32.6	old
126850504772135330679671	24	76.7	2017-12-04 18:37:08
43326551180555358016281479	26	85.2	2022-05-26 10:14:39

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)	2017-10-01	Oliver Kruse	D00CA4F549B854D0	1	0	1	3
Verified (Factored)	2017-10-31	kkmrkkblmbrbk	D00CA4F549B854D0	1	1340374	1	3
Verified (Factored)	2017-12-05	Yaroslav Berezhko	5212A96F2C441622	2	247260	5	3
Verified (Factored)	2017-12-05	Oliver Kruse	5212A96F2C441622	2	843483	5	3
Verified	2022-05-28	SRJ2877	5212A96F2C441622	3	1467592	5	3

History

Date	User	Type	Result
2022-05-28	Conductor	CERT	PRP Certification Proof certified good
2022-05-28	SRJ2877	C-PRP	M1569289/6487440727/126850504772135330679671/43326551180555358016281479 : 5212A96F2C441622 PRP proof power = 6 PRP: Verified Proof certified good
2022-05-26	TJAOI	F-ECM	Factor: 43326551180555358016281479 / (ECM curve 1, B1=250000, B2=40000000)
2017-12-05	Oliver Kruse	C-PRP	M1569289/6487440727/126850504772135330679671 : 5212A96F2C441622 PRP: Verified (Factored) PRP without proof (not generated)
2017-12-05	Yaroslav Berezhko	C-PRP	M1569289/6487440727/126850504772135330679671 : 5212A96F2C441622 PRP: Verified (Factored) PRP without proof (not generated)
2017-12-04	Chang Chia-Tche	F-ECM	Factor: 126850504772135330679671 / (ECM curve 3, B1=50000, B2=5000000)
2017-10-31	kkmrkkblmbrbk	C-PRP	M1569289/6487440727 : D00CA4F549B854D0 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-01	Oliver Kruse	C-PRP	M1569289/6487440727 : D00CA4F549B854D0 PRP: Verified (Factored) PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12