is 2 5924203 - 1
has 1783363 decimal digits
takes 1.050 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L45588499CCCBE0A4double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2675.015765.6716%7000011200000.03272.5269%5.048466.5391%0.8674%
PrimeNet2620.103762.9032%260006000000.01473.3228%0.118464.1359%1.2327%
GPU722662.492965.1515%400008000000.02092.3428%2.513865.9680%0.8164%
Difference+1+2.5228+0.5201%+30000+320000+0.0118+0.1841%+2.5346+0.5711%+0.5711%

Known prime factors (1 factor, 69.1 bits, 0.00116661% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
59242036381923126604589593532169.11353863136751092
22 × 19 × 708725483567
2011-06-111970872548356729.4669,922.618,533

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2000-10-15T00:00:00S10747v4_computers25000243750---0.009--1.305%
2011-05-04T09:33:00harleeP4_2600700001120000---0.033--2.527%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1998-05-08T00:00:00ANONYMOUSv4_computers21262--0.104--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.000 GHz-days
DigitsB1CurvesCompleteFacMiss

New Calculation Method

Total ECM effort:0.000 GHz-days
DigitsB1CompleteFacMiss


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1998-10-11T00:00:00ANONYMOUSv4_computers45588499CCCBE0A41.050
2000-12-31T00:00:00S10747v4_computers45588499CCCBE0A41.050


PRP results:
dateuseridcompidcofactorsres64PRP
2017-12-16T07:55:20Oliver KruseGTX-3
638192312660458959353
89C531B792E2D5__no
2018-04-22T09:01:48kkmrkkblmbrbkc5.xlarge
638192312660458959353
89C531B792E2D5__no


P-1 factor-bounds graph:
B1 = 70000, B2 = 1120000 (P-1 stage 2)
B1 = 70000 (P-1 stage 1)
B1 = 25000, B2 = 243750 (P-1 stage 2)
B1 = 25000 (P-1 stage 1)
100
101
102
103
104
105
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
267
262
250
260
270
280
290
2100
Last modified: 2018-04-22T09:01:48+00:00