5 167 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
6531089	7	22.6	old
131696497	9	27.0	old
11871698203885073	17	53.4	old

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	9201 / 9201
50	44000000	10482 / 16550

Estimated T-Level: 48.2 ⓘ

TF below 2^155 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-21	Oliver Kruse	1E34203BBC18DEEA	3	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	1E34203BBC18DEEA	3	4876	1	3
Verified	2020-04-17	Oliver Kruse	6F96D2C3942F3EE0	3	21	5	3
Verified	2024-02-03	Wentao Huang	6F96D2C3942F3EE0	3	167	5	3

History

Date	User	Type	Result
2024-02-03	Wentao Huang	C-PRP	M5167/6531089/131696497/11871698203885073 : 6F96D2C3942F3EE0 PRP: Verified PRP without proof (small exponent)
2023-06-14	-Anonymous-	NF-PM1	B1=61000000000, B2=253675805559976800
2020-04-17	Oliver Kruse	C-PRP	M5167/6531089/131696497/11871698203885073 : 6F96D2C3942F3EE0 PRP: Verified PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M5167/6531089/131696497/11871698203885073 : 1E34203BBC18DEEA PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M5167/6531089/131696497/11871698203885073 : 1E34203BBC18DEEA PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M5167/6531089/131696497/11871698203885073 : 1E34203BBC18DEEA PRP without proof (not generated)