is 2 525533 - 1
has 158202 decimal digits
takes 0.008 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actualunknown1500000500000000.087641.4078%0.087641.4078%41.4078%
PrimeNet2400.000050.0000%50001800000.000319.3750%0.000359.6875%9.6875%
GPU722440.000054.5455%90003000000.000514.6096%0.000561.1862%6.6407%
Difference-440.0000-54.5455%+1491000+49700000+0.0871+26.7981%+0.0871-19.7784%-19.7784%

Known prime factors (2 factors, 166.7 bits, 0.03171205% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
525533989212899563991446.49194115203
7 × 13 × 1034233
-1310342332.241e-50.00120.0022
525533149128515210967146993151165373610288737120.1661418831122031986069315829504271
3 × 547 × 2957 × 119701 × 170503 × 3047327 × 4701343
2021-08-13304732747013433.012e+110.06630.1311

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
52553314751985093951339936468755867712477754021640802391
3
51166.657
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-03-17T18:48:32alpertronManual testing15000005000000012---0.088--32.858%
2021-08-13T07:51:57ViliamF3150000001500000037120.1660.3170.0150.63427.721%


Trial Factoring results:
Exponent "525533" not found


ECM factoring results:

Old Calculation Method

Total ECM effort:17.564 GHz-days
Estimated T-Level:26.125
DigitsB1CurvesCompleteFacMiss
2011000425 / 1004.2501.396%
2550000425 / 2801.51821.859%
30250000144 / 6400.22579.838%

New Calculation Method

Total ECM effort:17.564 GHz-days
Estimated T-Level:26.125
DigitsB1CompleteFacMiss
201100021.0650.000%
25500002.5997.432%
302500000.24478.385%
3510000000.01898.189%
4030000000.00199.885%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002814.525
25000025000000443.543
250000380000001009.496


Lucas-Lehmer results:
Exponent "525533" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-27T10:05:43Oliver KruseGTX-2
98921289956399
83A243298CFE66__no
2017-09-28T09:42:44Oliver KruseManual testing
98921289956399
83A243298CFE66__no
2017-11-09T06:21:25kkmrkkblmbrbkc4.large
98921289956399
83A243298CFE66__no
2020-04-19T02:20:26Oliver KruseAddPrpType5
98921289956399
50335283BB3E85__no
2021-08-13T08:03:29ViliamF3
98921289956399
1491285152109671469931511653736102887
50335283BB3E8508no


P-1 factor-bounds graph:
B1 = 15000000 (P-1 stage 1)
B1 = 1500000, B2 = 50000000 (P-1 stage 2)
B1 = 1500000 (P-1 stage 1)
100
101
102
103
104
105
106
107
108
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
240
250
260
270
280
290
2100
2110
2120
2130
Last modified: 2021-08-13T08:03:29+00:00