2 461 423 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
1284862807	10	30.3	old
22767915133233780311	20	64.3	2017-09-06 12:16:14
3818366306300810076583	22	71.7	2023-07-18 08:27:05

ECM

Digits	B1	Curves
25	50000	27 / 280

Estimated T-Level: 20.5 ⓘ

TF below 2^63 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-28	alpertron	A36251B6B0D02C30	2	0	1	3
Verified (Factored)	2017-11-05	Oliver Kruse	A36251B6B0D02C30	2	316451	1	3
Verified	2023-07-24	Perig	236108807322A152	3	1211512	5	3

History

Date	User	Type	Result
2023-07-24	iwes	CERT	PRP Certification Proof certified good
2023-07-24	Perig	C-PRP	M2461423/1284862807/22767915133233780311/3818366306300810076583 : 236108807322A152 PRP proof power = 7 PRP: Verified Proof certified good
2023-07-18	Sergei Kozelko	F-ECM	Factor: 3818366306300810076583 / (ECM curve 24, B1=50000, B2=5200000, Sigma=2330781336120138)
2018-09-28	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-11-05	Oliver Kruse	C-PRP	M2461423/1284862807/22767915133233780311 : A36251B6B0D02C30 PRP: Verified (Factored) PRP without proof (not generated)
2017-09-28	alpertron	C-PRP	M2461423/1284862807/22767915133233780311 : A36251B6B0D02C30 PRP: Verified (Factored) PRP without proof (not generated)
2017-09-06	TJAOI	F	Factor: 22767915133233780311 / TF: 64-65