1 384 619 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
1165849199	10	30.1	old
541438193460567580788071	24	78.8	2021-10-28 13:36:08

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)	2017-10-01	Oliver Kruse	71B1096B4A42F5B7	1	0	1	3
Verified (Factored)	2017-10-25	kkmrkkblmbrbk	71B1096B4A42F5B7	1	1113451	1	3
Verified	2021-10-29	SRJ2877	196D44CA4AD8A1FC	2	1061921	5	3
Verified	2021-10-29	JackBlock	196D44CA4AD8A1FC	2	739908	5	3

History

Date	User	Type	Result
2021-10-29	Ben Delo	CERT	PRP Certification Proof certified good
2021-10-29	JackBlock	C-PRP	M1384619/1165849199/541438193460567580788071 : 196D44CA4AD8A1FC PRP proof power = 6 PRP: Verified Proof certified good
2021-10-29	Poao	CERT	PRP Certification Proof certified good
2021-10-29	SRJ2877	C-PRP	M1384619/1165849199/541438193460567580788071 : 196D44CA4AD8A1FC PRP proof power = 6 PRP: Verified Proof certified good
2021-10-28	TJAOI	F-ECM	Factor: 541438193460567580788071 / (ECM curve 3, B1=250000, B2=35000000)
2017-10-25	kkmrkkblmbrbk	C-PRP	M1384619/1165849199 : 71B1096B4A42F5B7 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-01	Oliver Kruse	C-PRP	M1384619/1165849199 : 71B1096B4A42F5B7 PRP: Verified (Factored) PRP without proof (not generated)