2 315 107 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
55562569	8	25.7	old
461896913357939229136479311870224273	36	118.5	2021-06-08 19:13:10

ECM

Digits	B1	Curves
25	50000	109 / 280

Estimated T-Level: 21.9 ⓘ

TF below 2^68 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-11	Oliver Kruse	2FAA219AAD801E73	1	0	1	3
Verified (Factored)	2017-11-23	kkmrkkblmbrbk	2FAA219AAD801E73	1	1341383	1	3
Verified	2021-06-08	ViliamF	6AE89447D8E7DD6E	2	389798	5	3

P-1 factors

Date	Factor	B1	B2
2021-06-08	461896913357939229136479311870224273	5000000	505000000

History

Date	User	Type	Result
2021-06-08	Chun sung soo	CERT	PRP Certification Proof certified good
2021-06-08	ViliamF	C-PRP	M2315107/55562569/461896913357939229136479311870224273 : 6AE89447D8E7DD6E PRP proof power = 7 PRP: Verified Proof certified good
2021-06-08	ViliamF	F-PM1	Factor: 461896913357939229136479311870224273 / (P-1, B1=5000000, B2=505000000)
2018-02-23	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2017-11-23	kkmrkkblmbrbk	C-PRP	M2315107/55562569 : 2FAA219AAD801E73 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-11	Oliver Kruse	C-PRP	M2315107/55562569 : 2FAA219AAD801E73 PRP: Verified (Factored) PRP without proof (not generated)