is 2 4764203 - 1
has 1434169 decimal digits
takes 0.627 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
Actual2676.236965.6716%----6.236965.6716%0.0000%
PrimeNet2610.064562.2951%200004500000.00833.2206%0.072863.5094%1.2143%
GPU722651.531464.6154%300006500000.01222.2838%1.543565.4235%0.8081%
Difference+2+4.7056+1.0563%-30000-650000-0.0122-2.2838%+4.6934+0.2482%+0.2482%

Known prime factors (4 factors, 194.0 bits, 0.00407300% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4764203123869279926.88413
13
-1131.882e-123.157e-73.885e-7
476420336816331523111341.743386385
3 × 5 × 25759
2008-09-305257591.004e-70.00030.0005
47642037267424108424291831859.33476271142397
29 × 163 × 3533 × 4567
2015-11-12353345670.02060.00070.0014
4764203782175574156602568872066.0848208881676081
32 × 6701 × 7687 × 17707
2019-05-127687177074.98820.00160.0030

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
47642034560412441192607537692168.628
4764203900210584497734855067690572686.218
476420396887524422189393295474744732892.968
4764203267559895294790841811707029191331101.078
476420328796835247428390608028585771585733107.828
47642035684401624646305982120773928488553332138125.418
476420333142451319481234031019203465158284072739127.962
47642033567043219580741348746872530915979345710341134.712
4764203704122730791366552018687157443874661000274555946152.303
476420320927881472348349283376761723460295891739365865483
1
51167.162
476420325923215889772484625720461600398242372364173056746
025836849
59194.046
P-1 results:
No P-1 results for M4764203


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-30T21:36:00markrManual testing??41.743133.89302e-81.3408.31408e-8
2015-11-12T11:43:39TJAOIManual testing259260*59.334180.0051.3070.009


ECM factoring results:

Old Calculation Method

Total ECM effort:0.593 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.593 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.09790.776%
25500000.00999.129%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.593


Lucas-Lehmer results:
No L-L results for M4764203


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-20T03:01:34Oliver KruseGTX-1
123869279
3681633152311
726742410842429183
AB942DA93143FE__no
2018-01-05T17:39:20kkmrkkblmbrbkc4.xlarge
123869279
3681633152311
726742410842429183
AB942DA93143FE__no
2019-05-13T19:06:08artorollofourth
123869279
3681633152311
726742410842429183
78217557415660256887
AB942DA93143FE96no


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
TF factor-bounds graph:
267
260
2
220
230
240
250
260
270
280
290
2100
Last modified: 2019-05-13T19:06:08+00:00