is 2 16499939 - 1
has 4966977 decimal digits
takes 9.022 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2671.800964.1791%----1.800964.1791%0.0000%
PrimeNet2650.442263.0769%7000022000000.14754.3374%0.589764.6784%1.6015%
GPU722697.235665.2174%11000030000000.21213.1867%7.447666.3258%1.1084%
Difference-2-5.4347-1.0383%-110000-3000000-0.2121-3.1867%-5.6468-2.1467%-2.1467%

Known prime factors (3 factors, 164.2 bits, 0.00099533% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
16499939296998903928.1469
32
-992.172e-127.136e-61.452e-5
164999391480682085942971547.0734486932
22 × 32 × 23 × 5419
2008-09-082354191.361e-60.00030.0004
164999396232959550160056181782836072789.01018887826040326743577
3 × 7 × 11 × 19 × 23 × 367 × 89917 × 5669969
2021-08-0989917566996910,257,7280.31230.4575

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
16499939439760955216813810561912375.219
1649993918511821488409101604078708970188312136117.156
164999399229031548329147937973776907076566878927941136.083
164999392741012245606148420502923784168473300047720116093750164.229
P-1 results:
Exponent "16499939" not found


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2021-08-09T11:00:54ATHec2-P_11000001000000027P-12789.0100.523


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08T12:33:00Will EdgingtonManual testing??47.073152.24308e-718.824.67774e-7


ECM factoring results:
Exponent "16499939" not found


Lucas-Lehmer results:
Exponent "16499939" not found


PRP results:
Exponent "16499939" not found


P-1 factor-bounds graph:
B1 = 100000, B2 = 10000000 (P-1 stage 2)
B1 = 100000 (P-1 stage 1)
100
101
102
103
104
105
100
101
102
103
104
105
106
107
TF factor-bounds graph:
267
2
220
230
240
250
260
270
280
290
2100
Last modified: 2021-08-09T11:00:54+00:00