1 979 339 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
599369342214543889519	21	69.0	2011-02-03 20:24:43
7072171231668353245289	22	72.6	2021-10-07 06:46:22
2976359214606212109166223	25	81.3	2022-08-17 10:22:31

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	58 / 640

Estimated T-Level: 25.5 ⓘ

TF below 2^80 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Thomas Honold	79927385EE562FA8	0
Verified (Factored)	1998-12-27	Robert Mutschler	79927385EE562FA8	399467

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-05	Oliver Kruse	5769B7236F80FD3B	1	0	1	3
Verified (Factored)	2017-11-12	kkmrkkblmbrbk	5769B7236F80FD3B	1	1745956	1	3
Verified (Factored)	2021-10-09	_p95holder_	C27009CE4DFCB08C	2	1724978	5	3
Verified (Factored)	2021-10-09	JackBlock	C27009CE4DFCB08C	2	309986	5	3
Verified	2022-08-17	LordJulius	C27009CE4DFCB08C	3	122230	5	3

History

Date	User	Type	Result
2022-08-17	Chad Steenerson	CERT	PRP Certification Proof certified good
2022-08-17	LordJulius	C-PRP	M1979339/599369342214543889519/7072171231668353245289/2976359214606212109166223 : C27009CE4DFCB08C PRP proof power = 7 PRP: Verified Proof certified good
2022-08-17	TJAOI	F-ECM	Factor: 2976359214606212109166223 / (ECM curve 208, B1=50000, B2=7500000)
2022-03-09	LordJulius	NF	no factor from 2^1 to 2^60
2021-10-09	curtisc	CERT	PRP Certification Proof certified good
2021-10-09	JackBlock	C-PRP	M1979339/599369342214543889519/7072171231668353245289 : C27009CE4DFCB08C PRP proof power = 7 PRP: Verified (Factored) Proof certified good
2021-10-09	_p95holder_	C-PRP	M1979339/599369342214543889519/7072171231668353245289 : C27009CE4DFCB08C PRP: Verified (Factored) PRP without proof (not generated)
2021-10-07	_p95holder_	F-ECM	Factor: 7072171231668353245289 / (ECM curve 7, B1=50000, B2=5000000)
2017-11-12	kkmrkkblmbrbk	C-PRP	M1979339/599369342214543889519 : 5769B7236F80FD3B PRP: Verified (Factored) PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M1979339/599369342214543889519 : 5769B7236F80FD3B PRP: Verified (Factored) PRP without proof (not generated)
2011-02-03	arnaud	F-ECM	Factor: 599369342214543889519
2011-02-01	kurly	NF-PM1	B1=1000000, B2=30000000, E=12
2009-12-21	S485122	NF	no factor from 2^60 to 2^61