is 2 2482049 - 1
has 747172 decimal digits
takes 0.172 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
Actual26711.971567.1642%2000000600000000.51907.6416%12.490569.6733%2.5092%
PrimeNet2590.030962.7119%100001800000.00192.5344%0.032963.6569%0.9450%
GPU722630.643065.0794%110001600000.00191.3801%0.644965.5613%0.4819%
Difference+4+11.3285+2.0848%+1989000+59840000+0.5170+6.2615%+11.8455+4.1121%+4.1121%

Known prime factors (3 factors, 177.1 bits, 0.00713678% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2482049173346302171134.0133492
22 × 32 × 97
-9971.619e-91.387e-61.842e-6
248204934374204413372228994732271.542692456200771464
23 × 32 × 47 × 204626536871
2018-03-0247204626536871246.171,121.32,094.2
248204935385465428850979957672271.584712827696569467
127 × 1367929 × 4103149
2018-10-1213679294103149225.440.15260.2800

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
24820495958641225093769996006901917564132105.555
24820496133939582655690607642877629143932105.597
24820491216347221913639789004949035806328882053079144143.125
248204921084929307348184850938693918633403598677133964751
1647
54177.138
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2018-10-12T06:13:41alpertron200000060000000122271.5840.5190.3441.0387.642%


Trial Factoring results:
No TF results for M2482049


ECM factoring results:

Old Calculation Method

Total ECM effort:0.367 GHz-days
Estimated T-Level:0.200
DigitsB1CurvesCompleteFacMiss
20110004 / 1000.04096.060%
25500004 / 2800.01498.579%

New Calculation Method

Total ECM effort:0.367 GHz-days
Estimated T-Level:0.200
DigitsB1CompleteFacMiss
20110000.15485.740%
25500000.01498.587%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.276
50000500000010.092


Lucas-Lehmer results:
No L-L results for M2482049


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-14T04:09:11Oliver KruseGTX-3780AC610ECD2CC__no
2017-11-29T12:19:06storm55107700_Kaby_Lake
17334630217
780AC610ECD2CC__no
2018-03-02T15:42:33ATHec2-1xd
17334630217
3437420441337222899473
780AC610ECD2CC__no
2018-10-15T17:21:24marcomichsisg6
17334630217
3437420441337222899473
3538546542885097995767
780AC610ECD2CC__no


P-1 factor-bounds graph:
B1 = 2000000, B2 = 60000000 (P-1 stage 2)
B1 = 2000000 (P-1 stage 1)
100
101
102
103
104
105
106
107
100
101
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103
104
105
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109
1010
1011
1012
TF factor-bounds graph:
267
230
240
250
260
270
280
290
2100
Last modified: 2018-11-09T23:05:20+00:00