6 908 581 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
207257431	9	27.6	old
50169272375119	14	45.5	2008-09-30 21:53:48
2175160871304674904361	22	70.9	2023-12-24 23:58:54

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2018-01-22	Oliver Kruse	0652066332FC921F	2	3934262	5	3
Verified (Factored)	2019-01-22	Chang Chia-Tche	0652066332FC921F	2	2181847	5	3
Verified	2024-01-01	Perig	0652066332FC921F	3	6011967	5	3

P-1 factors

Date	Factor	B1	B2
2023-12-24	2175160871304674904361	523000	1182140190

History

Date	User	Type	Result
2024-01-01	LOBES	CERT	PRP Certification Proof certified good
2024-01-01	Perig	C-PRP	M6908581/207257431/50169272375119/2175160871304674904361 : 0652066332FC921F PRP proof power = 8 PRP: Verified Proof certified good
2023-12-24	Stef42	F-PM1	Factor: 2175160871304674904361 / (P-1, B1=523000, B2=1182140190)
2019-01-22	Chang Chia-Tche	C-PRP	M6908581/207257431/50169272375119 : 0652066332FC921F PRP: Verified (Factored) PRP without proof (not generated)
2018-01-22	Oliver Kruse	C-PRP	M6908581/207257431/50169272375119 : 0652066332FC921F PRP: Verified (Factored) PRP without proof (not generated)
2008-09-30	markr	F	Factor: 50169272375119