is 2 105218041 - 1
has 31673787 decimal digits
takes 418.936 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
Actual2670.282459.7015%----0.282459.7015%0.0000%
PrimeNet2729.089162.5000%450000220000009.37655.3973%18.465564.5240%2.0240%
GPU72276145.450364.4737%6500002400000011.09733.9280%156.547665.8692%1.3955%
Difference-9-145.1679-4.7722%-650000-24000000-11.0973-3.9280%-156.2652-6.1677%-6.1677%

Known prime factors (4 factors, 185.5 bits, 0.00017631% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
105218041631308247929.2343
3
2007-09-19136.802e-136.402e-61.175e-5
105218041206362039452491444.23098064
24 × 33 × 227
2014-01-08272272.731e-80.00020.0003
10521804149729413153912011652.14323631600
24 × 3 × 52 × 47 × 419
2014-07-30474196.072e-60.00040.0006
10521804110756841302653725271959.9005111690543
17 × 300687679
2015-12-22173006876790.001194.580176.65

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
105218041130278057374096301685032373.464
10521804131394588642534932225346472581.377
1052180416790882626035519748223301692789.134
1052180411026226311921676536820203540493096.373
1052180412219803709282401978700809677422332104.130
105218041534931405370732166082819700293492734112.043
1052180416478651340045488157609936513299354210338125.607
1052180411401380388391170821122939494934107691708141133.364
105218041337706607789843308876257761809350261944296943141.277
10521804111038953577949095233193991405274913818941781182348156.273
10521804169689824320094211669037549249971723961122112732554
004281
56185.507
P-1 results:
No P-1 results for M105218041


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2014-01-08T15:34:00TJAOIManual testing??44.230145.03329e-9862.01.03567e-8
2014-07-30T11:33:00TJAOIManual testing??52.143163.70265e-7862.07.61875e-7
2015-12-22T13:12:12TJAOIManual testing259260*59.900190.000862.00.001


ECM factoring results:
No ECM results for M105218041


Lucas-Lehmer results:
No L-L results for M105218041


PRP results:
No PRP results for M105218041


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
267
260
2
220
230
240
250
260
270
280
290
2100
Last modified: 2015-12-22T13:12:12+00:00