955 363 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
292341079	9	28.1	old
6337656154444546392551	22	72.4	2016-04-22 12:28:54
7315800908340060929629104157850801671121	40	132.4	2015-06-04 11:25:43

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-30	alpertron	9AB0F67C626C7D73	3	0	1	3
Verified	2017-10-16	kkmrkkblmbrbk	9AB0F67C626C7D73	3	875824	1	3
Unverified (Reliable)	2020-04-24	Oliver Kruse	4530B3C874424B__	3	123221	5	3

P-1 factors

Date	Factor	B1	B2
2015-06-04	7315800908340060929629104157850801671121	1000000	30000000

History

Date	User	Type	Result
2021-08-05	ViliamF	NF-PM1	B1=10000000, B2=1110000000
2020-04-24	Oliver Kruse	C-PRP	M955363/292341079/6337656154444546392551/7315800908340060929629104157850801671121 : 4530B3C874424B__ PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-10-16	kkmrkkblmbrbk	C-PRP	M955363/292341079/7315800908340060929629104157850801671121/6337656154444546392551 : 9AB0F67C626C7D73 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-09-30	alpertron	C-PRP	M955363/292341079/6337656154444546392551/7315800908340060929629104157850801671121 : 9AB0F67C626C7D73 PRP: Unverified (Reliable) PRP without proof (not generated)
2017-09-28	Oliver Kruse	C-PRP	M955363/292341079/7315800908340060929629104157850801671121/6337656154444546392551 : 9AB0F67C626C7D73 PRP without proof (not generated)
2016-04-22	TJAOI	F-ECM	Factor: 6337656154444546392551 / (ECM curve 30, B1=50000, B2=5000000)
2016-03-17	alpertron	NF-PM1	B1=200000, B2=5000000, E=6
2015-06-04	alpertron	F-PM1	Factor: 7315800908340060929629104157850801671121 / (P-1, B1=1000000, B2=30000000, E=12)