925 019 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
322646627201	12	38.2	old
65535692820018732257445001	26	85.8	2014-09-13 16:46:47

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	2017-09-28	Oliver Kruse	71112442E6D9BD85	2	0	1	3
Verified	2017-10-14	Oliver Kruse	71112442E6D9BD85	2	774183	1	3
Verified	2017-12-21	ATH	71112442E6D9BD85	2	859477	1	3
Unverified (Reliable)	2020-04-23	Oliver Kruse	1466987DCB18D2__	2	414458	5	3

P-1 factors

Date	Factor	B1	B2
2014-09-13	65535692820018732257445001	200000	5000000

History

Date	User	Type	Result
2020-04-23	Oliver Kruse	C-PRP	M925019/322646627201/65535692820018732257445001 : 1466987DCB18D2__ PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-12-21	ATH	C-PRP	M925019/322646627201/65535692820018732257445001 : 71112442E6D9BD85 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-10-14	Oliver Kruse	C-PRP	M925019/322646627201/65535692820018732257445001 : 71112442E6D9BD85 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-09-28	Oliver Kruse	C-PRP	M925019/322646627201/65535692820018732257445001 : 71112442E6D9BD85 PRP: Unverified (Reliable) PRP without proof (not generated)
2014-09-13	alpertron	F-PM1	Factor: 65535692820018732257445001 / (P-1, B1=200000, B2=5000000, E=6)