1 322 341 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
21157457	8	24.3	old
72405523547945300033	20	66.0	2018-06-08 13:20:04
154992300650638263479	21	67.1	2018-06-08 13:20:04

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	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-30	Oliver Kruse	F0C01944CBF1482A	1	0	1	3
Verified (Factored)	2017-10-23	kkmrkkblmbrbk	F0C01944CBF1482A	1	542312	1	3
Verified	2018-06-10	Daniil Tsarkov	5348822DD3052F65	3	293250	5	3
Verified	2018-06-11	Hazar Temizel	5348822DD3052F65	3	543404	5	3

History

Date	User	Type	Result
2018-06-11	Hazar Temizel	C-PRP	M1322341/21157457/72405523547945300033/154992300650638263479 : 5348822DD3052F65 PRP: Verified PRP without proof (not generated)
2018-06-10	Daniil Tsarkov	C-PRP	M1322341/21157457/72405523547945300033/154992300650638263479 : 5348822DD3052F65 PRP: Verified PRP without proof (not generated)
2018-06-08	TJAOI	F-ECM	Factor: 154992300650638263479 / (ECM curve 148, B1=50000, B2=5000000)
2018-06-08	TJAOI	F-ECM	Factor: 72405523547945300033 / (ECM curve 6, B1=50000, B2=5000000)
2017-10-23	kkmrkkblmbrbk	C-PRP	M1322341/21157457 : F0C01944CBF1482A PRP: Verified PRP without proof (not generated)
2017-09-30	Oliver Kruse	C-PRP	M1322341/21157457 : F0C01944CBF1482A PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12