4 734 167 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
17704730688147463	17	54.0	old
6281226296632670428663	22	72.4	2019-05-02 19:33:29

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-20	kkmrkkblmbrbk	8616AD2232AFA550	1	0	1	3
Verified (Factored)	2018-03-13	Dt12	8616AD2232AFA550	1	1360370	1	3
Verified	2019-05-03	trebor	D6400FD7B3E94ACA	2	2439896	5	3
Verified	2019-05-03	ATH	D6400FD7B3E94ACA	2	2146242	5	3

History

Date	User	Type	Result
2023-09-25	USAFSS	NF-PM1	B1=240000, B2=91991760
2019-05-03	ATH	C-PRP	M4734167/17704730688147463/6281226296632670428663 : D6400FD7B3E94ACA PRP: Verified PRP without proof (not generated)
2019-05-03	trebor	C-PRP	M4734167/17704730688147463/6281226296632670428663 : D6400FD7B3E94ACA PRP: Verified PRP without proof (not generated)
2019-05-02	MarkS	F-ECM	Factor: 6281226296632670428663 / (ECM curve 3, B1=50000, B2=5000000)
2018-03-13	Dt12	C-PRP	M4734167/17704730688147463 : 8616AD2232AFA550 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M4734167/17704730688147463 : 8616AD2232AFA550 PRP: Verified PRP without proof (not generated)