1 840 393 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
1724256865893503	16	50.6	old
202934639674844633911	21	67.5	2020-07-24 12:40:58

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)	2017-10-04	Oliver Kruse	D13BCC130B6BF21D	1	0	1	3
Verified (Factored)	2017-11-06	kkmrkkblmbrbk	D13BCC130B6BF21D	1	1232338	1	3
Verified	2020-07-24	M Miller	AF7E409E0FFB5641	2	474780	5	3
Verified	2020-07-25	oodaira	AF7E409E0FFB5641	2	552496	5	3

History

Date	User	Type	Result
2022-04-03	Joss	NF-PM1	B1=1000000, B2=188329050
2020-07-25	oodaira	C-PRP	M1840393/1724256865893503/202934639674844633911 : AF7E409E0FFB5641 PRP: Verified PRP without proof (not generated)
2020-07-24	M Miller	C-PRP	M1840393/1724256865893503/202934639674844633911 : AF7E409E0FFB5641 PRP: Verified PRP without proof (not generated)
2020-07-24	_p95holder_	F-ECM	Factor: 202934639674844633911 / (ECM curve 1, B1=50000, B2=5000000)
2017-11-06	kkmrkkblmbrbk	C-PRP	M1840393/1724256865893503 : D13BCC130B6BF21D PRP: Verified PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1840393/1724256865893503 : D13BCC130B6BF21D PRP: Verified PRP without proof (not generated)