1 322 749 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
96137242841435287	17	56.4	old
247758434350125400379231	24	77.7	2018-07-27 12:42:51
1989982419367168921856257	25	80.7	2018-07-27 12:42:50

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	105 / 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	Shift
Verified (Factored)		Joel Armengaud	E43E78EB107EEABD	0

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-30	Oliver Kruse	FF97581455C27136	1	0	1	3
Verified (Factored)	2017-10-23	kkmrkkblmbrbk	FF97581455C27136	1	1304537	1	3
Verified	2018-07-30	_p95holder_	1320CFAEDD86B6B3	3	496001	5	3
Verified	2018-07-30	Martin Russell	1320CFAEDD86B6B3	3	434287	5	3

History

Date	User	Type	Result
2018-07-30	Martin Russell	C-PRP	M1322749/96137242841435287/1989982419367168921856257/247758434350125400379231 : 1320CFAEDD86B6B3 PRP: Verified PRP without proof (not generated)
2018-07-30	_p95holder_	C-PRP	M1322749/96137242841435287/247758434350125400379231/1989982419367168921856257 : 1320CFAEDD86B6B3 PRP: Verified PRP without proof (not generated)
2018-07-27	TJAOI	F-ECM	Factor: 247758434350125400379231 / (ECM curve 121, B1=50000, B2=5000000)
2018-07-27	TJAOI	F-ECM	Factor: 1989982419367168921856257 / (ECM curve 19, B1=50000, B2=5000000)
2017-10-23	kkmrkkblmbrbk	C-PRP	M1322749/96137242841435287 : FF97581455C27136 PRP: Verified PRP without proof (not generated)
2017-09-30	Oliver Kruse	C-PRP	M1322749/96137242841435287 : FF97581455C27136 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12