2 860 021 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
17160127	8	24.0	old
360021144991452752003180599	27	88.2	2022-11-21 02:12:42

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)	2017-10-22	Oliver Kruse	CE5E52EB39AC8683	1	557316	5	3
Verified (Factored)	2017-12-07	kkmrkkblmbrbk	CE5E52EB39AC8683	1	2527741	5	3
Verified	2022-11-26	MarkS	CE5E52EB39AC8683	2	1225290	5	3

P-1 factors

Date	Factor	B1	B2
2022-11-21	360021144991452752003180599	255000	195390690

History

Date	User	Type	Result
2022-11-26	Wojciech Florek	CERT	PRP Certification Proof certified good
2022-11-26	MarkS	C-PRP	M2860021/17160127/360021144991452752003180599 : CE5E52EB39AC8683 PRP proof power = 7 PRP: Verified Proof certified good
2022-11-21	USAFSS	F-PM1	Factor: 360021144991452752003180599 / (P-1, B1=255000, B2=195390690)
2017-12-07	kkmrkkblmbrbk	C-PRP	M2860021/17160127 : CE5E52EB39AC8683 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-22	Oliver Kruse	C-PRP	M2860021/17160127 : CE5E52EB39AC8683 PRP: Verified (Factored) PRP without proof (not generated)