is 2 8189267 - 1
has 2465216 decimal digits
takes 2.138 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2687.278466.1765%----7.278466.1765%0.0000%
PrimeNet2630.194963.4921%360009000000.03153.6191%0.226364.8133%1.3212%
GPU722673.628465.6716%5500013000000.04652.6259%3.674966.5731%0.9014%
Difference+1+3.6500+0.5048%-55000-1300000-0.0465-2.6259%+3.6035-0.3966%-0.9014%

Known prime factors (2 factors, 122.0 bits, 0.00148954% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
818926710116131977422431831959.81161764575373
32 × 151 × 45448547
1998-09-06151454485470.01600.93761.7510
818926751915647021464253111962.171316973710965
3 × 5 × 877 × 24095303
2016-07-06877240953030.11670.49730.9283

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
8189267525185536962410158025403892190840491337121.982
P-1 results:
No P-1 results for M8189267


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1998-09-06T00:00:00ANONYMOUSv4_computers??59.811190.0074.5270.014
2016-07-06T14:28:25TJAOIManual testing262263*62.171190.0424.3510.085
2022-09-25T22:56:45JayderManual testing263264--0.240--
2022-09-25T04:32:53LordJuliusManual testing2126459.811190.0164.5270.034
2022-09-25T04:32:53LordJuliusManual testing2126462.171190.1174.3510.237
2022-09-25T22:56:45JayderManual testing264265--0.456--
2022-09-25T04:32:53LordJuliusManual testing264265--0.456--
2022-09-25T22:56:45JayderManual testing265266--0.913--
2022-09-25T04:32:53LordJuliusManual testing265266--0.913--
2022-09-25T22:56:45JayderManual testing266267--1.825--
2022-09-25T04:32:53LordJuliusManual testing266267--1.825--
2022-09-22T06:09:29FlaukrotistManual testing267268--3.650--


ECM factoring results:
No ECM results for M8189267


Lucas-Lehmer results:
No L-L results for M8189267


PRP results:
dateuseridcompidcofactorsres64PRP
2018-09-12T01:39:43Oliver KruseGTX-5
1011613197742243183
5191564702146425311
DBA84AD9BD2D2A__no
2020-03-03T16:32:44daveward2005Davy
1011613197742243183
5191564702146425311
DBA84AD9BD2D2AE9no


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
108
TF factor-bounds graph:
268
267
266
265
264
263
2
250
260
270
280
290
2100
Last modified: 2022-09-25T22:56:45+00:00