is 2 268931459 - 1
has 80956436 decimal digits
takes 3,212.237 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
Actual2723.556059.7222%----3.556059.7222%0.0000%
PrimeNet27656.906761.8421%10000006500000077.71065.4959%134.617263.9392%2.0971%
GPU72280910.516663.7500%16000006500000087.53614.0653%998.052765.2237%1.4737%
Difference-8-906.9606-4.0278%-1600000-65000000-87.5361-4.0653%-994.4966-5.5014%-1.4737%

Known prime factors (4 factors, 220.6 bits, 0.00008202% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
268931459779901231111136.183145
5 × 29
2008-02-015293.511e-110.00010.0002
2689314591765786000551167991857.293328296661
7 × 11 × 4263593
2015-06-091142635930.00014.02347.5142
26893145911545021560265551911960.0022146461705
32 × 5 × 71 × 73 × 9203
2016-01-047392030.00060.00990.0162
2689314591574084021504274386412167.093292655241480
23 × 3 × 5 × 7 × 348399097
2021-09-0883483990970.1509328.75614.02

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
268931459137713867570665905394942416892993.476
268931459900397652804259699313261192012996.185
2689314591227630066241763308088398853215132103.276
26893145920386037447178314172829488112475360936117.295
2689314592779495528863531377904995949966083015938124.386
26893145918172833965936352441670162136075253543139127.095
2689314591589909570250892881908407909103064411545155759947153.478
268931459216773198482540866081022099399811210684487170464949160.569
2689314591417301558279138507316141391447839758186907944584150163.278
26893145932089335807391172402175856760818713160371080584090
805369
56184.388
26893145925026512501686581193803206730481531205299364611973
43698731449782959
67220.571
P-1 results:
No P-1 results for M268931459


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2015-06-09T11:16:00TJAOIManual testing257258*57.293186.30604e-56,5970.000
2022-07-07T04:55:16LordJuliusManual testing2126060.002190.0016,5970.001
2022-07-07T04:55:16LordJuliusManual testing2126057.293180.0006,5970.000
2022-07-07T04:55:16LordJuliusManual testing2126036.183113.51094e-116,5977.21090e-11
2016-01-04T12:13:24TJAOIManual testing260261*60.002195.74821e-56,5970.000
2021-09-08T09:15:04TJAOIManual testing267268*67.093210.0406,5970.083
2022-09-25T22:01:25LordJuliusManual testing26026960.002195.74821e-56,5970.000
2022-09-25T22:01:25LordJuliusManual testing26026967.093210.1506,5970.309
2022-09-25T22:01:25LordJuliusManual testing269270--0.445--
2022-09-25T22:01:25LordJuliusManual testing270271--0.889--
2022-09-25T22:01:25LordJuliusManual testing271272--1.778--


ECM factoring results:
No ECM results for M268931459


Lucas-Lehmer results:
No L-L results for M268931459


PRP results:
No PRP results for M268931459


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
272
271
270
269
268
261
260
258
230
240
250
260
270
280
290
2100
Last modified: 2022-09-25T22:01:25+00:00