is 2 168848941 - 1
has 50828596 decimal digits
takes 1,149.111 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
Actual2680.353058.8235%----0.353058.8235%0.0000%
PrimeNet27422.658562.1622%7000004000000028.03685.5293%50.695464.2543%2.0922%
GPU72278362.551964.1026%10000004000000030.83603.9993%393.387965.5382%1.4357%
Difference-10-362.1989-5.2790%-1000000-40000000-30.8360-3.9993%-393.0349-6.7147%-6.7147%

Known prime factors (5 factors, 256.7 bits, 0.00015202% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1688489418509986626411239.6302520
23 × 32 × 5 × 7
2007-11-16996.703e-108.881e-50.0002
168848941119977303516971443.44835528
23 × 4441
2007-11-16844411.173e-80.00250.0045
16884894110913527662683271649.9553231743
41 × 78823
2007-11-1641788236.713e-70.04280.0791
168848941856710967524119271756.250253691543
7 × 107 × 338707
2015-03-191073387079.036e-50.18310.3401
1688489411953479025149517199212167.405578469433560
23 × 3 × 5 × 4820578613
2022-07-08848205786130.19442,591.74,840.6

26 Composite Factors:
exponentprime factorscomposite factordigitsbits*
168848941102100524840214815848517772683.078
1688489419287397445639021331564716072789.585
168848941130937562082659887359818009192993.403
168848941729059887632902681681377192072995.880
16884894110278587177695828634587274901193199.697
1688489419349738842998624208112451713612932106.205
16884894116624080378994835415945379817136133107.035
168848941234373145914398296944875437105593734110.852
16884894121319347379440803253037010163724216736117.360
1688489411673566905673916199940007331372389776738123.654
1688489411114276902218164748392608261818370476707941133.033
16884894187470639420580807919180840179093154194427942139.328
1688489417956615251434439867306624071224266634365668944145.835
168848941112175645497084985486484143418489829039516091346149.653
168848941199451233732116903766296993075190546600314961746150.483
16884894118142736108283031546761297971006432863645278304748156.990
168848941255783781132688823720251909634976309979406840739949160.807
1688489411424203198568739280986051003429639023123880622264750163.285
16884894120079004459799574634305529930127220417282258296059
9
51167.102
16884894118264518720423527259555009473348385060368265838125
809
53173.609
16884894195461324298910236312918900830187286504488919238099
6551233
57189.283
16884894121767165566917643715434177340699122227019228372010
17749280759
61200.438
16884894117087205942452112660694672610329062750097831773763
3023396281959
63206.732
16884894115543081004861930270993320750591561418650498279201
430448906201569
65213.240
16884894121913277061116340612457419041239428663853913467039
5152884902647873
66217.057
16884894118648169473091708683713098468653282220018601897444
7671440060886339402743212593
78256.687
P-1 results:
No P-1 results for M168848941


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2015-03-19T12:42:00TJAOIManual testing256257*56.250173.35082e-52,3636.88930e-5
2022-07-08T08:29:17TJAOIManual testing267268*67.405210.0182,3620.038
2022-08-10T19:29:34LordJuliusManual testing2126849.955166.71329e-72,3631.38026e-6
2022-08-10T19:29:34LordJuliusManual testing2126843.448141.17288e-82,3632.41145e-8
2022-08-10T19:29:34LordJuliusManual testing2126867.405210.1942,3620.400
2022-08-10T19:29:34LordJuliusManual testing2126839.630126.70334e-102,3631.37821e-9
2022-08-10T19:29:34LordJuliusManual testing2126856.250179.03601e-52,3630.000


ECM factoring results:
No ECM results for M168848941


Lucas-Lehmer results:
No L-L results for M168848941


PRP results:
No PRP results for M168848941


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
268
257
230
240
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:34+00:00