2 787 461 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
16724767	8	24.0	old
1052685822958543	16	49.9	2014-05-15 11:37:17
39429341306497203677807	23	75.1	2023-01-18 09:19:14

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)	2017-10-21	Oliver Kruse	2F2E4B348E625871	2	794929	5	3
Verified (Factored)	2017-12-06	kkmrkkblmbrbk	2F2E4B348E625871	2	1456034	5	3
Verified	2023-01-18	LordJulius	2F2E4B348E625871	3	2458995	5	3

P-1 factors

Date	Factor	B1	B2
2023-01-18	39429341306497203677807	330000	261254070

History

Date	User	Type	Result
2023-01-18	james_collado	CERT	PRP Certification Proof certified good
2023-01-18	LordJulius	C-PRP	M2787461/16724767/1052685822958543/39429341306497203677807 : 2F2E4B348E625871 PRP proof power = 7 PRP: Verified Proof certified good
2023-01-18	USAFSS	F-PM1	Factor: 39429341306497203677807 / (P-1, B1=330000, B2=261254070)
2017-12-06	kkmrkkblmbrbk	C-PRP	M2787461/16724767/1052685822958543 : 2F2E4B348E625871 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-21	Oliver Kruse	C-PRP	M2787461/16724767/1052685822958543 : 2F2E4B348E625871 PRP: Verified (Factored) PRP without proof (not generated)
2014-05-15	TJAOI	F	Factor: 1052685822958543