is 2 108165581 - 1
has 32561085 decimal digits
takes 443.629 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
Actual2714.419961.9718%----4.419961.9718%0.0000%
PrimeNet2728.841462.5000%4500002400000010.30665.4965%19.148064.5612%2.0612%
GPU72276141.486764.4737%7000002400000011.71233.9800%153.199165.8876%1.4139%
Difference-5-137.0669-2.5019%-700000-24000000-11.7123-3.9800%-148.7792-3.9158%-1.4139%

Known prime factors (2 factors, 131.7 bits, 0.00012177% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
108165581213040283516079620412064.20898478777420
22 × 32 × 5 × 17 × 53 × 607219
2010-11-09536072190.05670.19700.3675
1081655812090291435247524571192167.502966246108939
32 × 193 × 556272947
2022-09-211935562729470.3919180.24336.63

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
108165581445316279996365620144587821861883221987940131.710
P-1 results:
No P-1 results for M108165581


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-11-09T04:31:00sasaki3mate_ma1??64.208200.024912.80.049
2010-04-26T16:17:00lindedskynet-node035263264--0.018--
2022-09-25T22:01:22LordJuliusManual testing2126764.208200.057912.80.117
2022-09-21T07:13:05TJAOIManual testing267268*67.502210.117912.30.241
2022-09-25T22:01:22LordJuliusManual testing26726867.502210.117912.30.241
2022-09-25T22:01:22LordJuliusManual testing268269--0.553--
2022-09-25T22:01:22LordJuliusManual testing269270--1.105--
2022-09-25T22:01:22LordJuliusManual testing270271--2.211--


ECM factoring results:
No ECM results for M108165581


Lucas-Lehmer results:
No L-L results for M108165581


PRP results:
No PRP results for M108165581


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
271
270
269
268
267
264
2
250
260
270
280
290
2100
Last modified: 2022-09-25T22:01:22+00:00