1 902 319 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
64638840231431	14	45.9	old
2273951934635599	16	51.0	2014-06-16 12:31:06
1303577687546686567049	22	70.1	2021-09-07 04:52:38

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	5AAD545CBD50B77D	2	0	1	3
Verified (Factored)	2017-11-09	kkmrkkblmbrbk	5AAD545CBD50B77D	2	848592	1	3
Verified	2021-09-07	SRJ2877	331AE50078C6C145	3	509062	5	3

History

Date	User	Type	Result
2021-09-07	Albert Pettersson	CERT	PRP Certification Proof certified good
2021-09-07	SRJ2877	C-PRP	M1902319/64638840231431/2273951934635599/1303577687546686567049 : 331AE50078C6C145 PRP proof power = 7 PRP: Verified Proof certified good
2021-09-07	Dylan Delgado	F-ECM	Factor: 1303577687546686567049 / (ECM curve 6, B1=50000, B2=6750000, Sigma=3979925870839863)
2017-11-09	kkmrkkblmbrbk	C-PRP	M1902319/64638840231431/2273951934635599 : 5AAD545CBD50B77D PRP: Verified (Factored) PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1902319/64638840231431/2273951934635599 : 5AAD545CBD50B77D PRP: Verified (Factored) PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2014-06-16	TJAOI	F	Factor: 2273951934635599