is 2 63347 - 1
has 19070 decimal digits
takes 0.000 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actualunknown1000000000923489999932508,654.984076.0452%8,654.984076.0452%76.0452%
PrimeNet2400.000060.0000%650100000.00005.3780%0.000062.1512%2.1512%
GPU722440.000063.6364%500100000.00002.1825%0.000064.4300%0.7936%
Difference-440.0000-63.6364%+999999500+92348999983250+8,654.9840+73.8627%+8,654.9839+11.6152%+75.2516%

Known prime factors (4 factors, 333.8 bits, 0.52689407% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6334716328322731030.60512888
23 × 32 × 179
-91794.041e-93.141e-83.150e-8
63347180344104090774871754.002142346207469
3 × 10739 × 4418357
2009-06-201073944183570.05370.00040.0008
633472131540247252223567041963067133097.4281682431880951129151374148
22 × 3 × 29 × 6421 × 28123 × 26772808316897
2017-01-0428123267728083168978.278e+112,508.74,685.5
63347475906778657053036072300454052516623058103012146151.73737563481984707487021666413093952091105980
22 × 5 × 7 × 191 × 3137 × 30271 × 2252729 × 567313891 × 11575260821359
2022-11-09567313891115752608213592.549e+121,085.62,025.8

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
63347294471673404688529313379512684.606
6334734804477069118302112772964412839294864939128.033
63347384410716224131010049955211251822183483527023146151.429
6334762767822353780581458965421113650799124923048718529
65063
55182.034
6334777707594713070379637148534272950277899824655231538
95033
55182.342
6334785826981627632929035651468537462663648077497287813
961769985927
62205.739
6334714014106549577711512693048540781314673712485197661
2606398021224361422071
72236.344
6334710144144526476640620939831142560566919023923932445
22414264134243287207502273
76249.165
6334716563686564807361786493315880743357522558440655993
63378482353938843786017759075256529
85279.770
6334718294366563947674303655260957189141565312970453616
876989414250980826238325644678207385627951
92303.167
6334729871632139705880886301111957135301713008755502161
08632578666836761498614330211410771904027476366262
3
101333.772
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-10-21T09:26:48kkmrkkblmbrbkManual testing100000000200000000012-
skipped known factor: 1632832273
skipped known factor: 18034410409077487
--0.350--39.930%
2022-11-09T16:22:22George WoltmanSkylakeX10000000009234899999325046151.7378,6550.00017,31067.377%


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2021-04-28T22:34:24ATHcolab-Pp215000000150000000027--0.276


Trial Factoring results:
No TF results for M63347


ECM factoring results:
Total ECM effort:11.167 GHz-days
Estimated T-Level:31.334
DigitsB1CompleteFacMiss
2011000112.4550.000%
255000018.9250.000%
302500002.4728.445%
3510000000.26776.589%
4030000000.02497.589%
45110000000.00299.808%


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
110001100000260.007
5000050000002740.339
250000250000003432.122
250000250000002421.497
10000001000000002917.202


Lucas-Lehmer results:
No L-L results for M63347


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-21T20:12:04Oliver KruseOllaptop
1632832273
18034410409077487
213154024725222356704196306713
0F9596BB42FCB13Ano
2017-09-21T21:29:44Oliver KruseManual testing
1632832273
18034410409077487
213154024725222356704196306713
0F9596BB42FCB13Ano
2017-10-02T16:49:08kkmrkkblmbrbkManual testing
1632832273
18034410409077487
213154024725222356704196306713
0F9596BB42FCB1__no
2017-12-07T03:28:02ATHxps
1632832273
18034410409077487
213154024725222356704196306713
0F9596BB42FCB1__no
2020-04-17T13:51:21Oliver KruseAddPrpType5
1632832273
18034410409077487
213154024725222356704196306713
BF5113956826DB__no
2022-11-09T16:29:51George WoltmanManual testing
1632832273
18034410409077487
213154024725222356704196306713
4759067786570530360723004540525166230581030121
BF5113956826DB1Eno


P-1 factor-bounds graph:
B1 = 1000000000, B2 = 92348999993250 (P-1 stage 2)
B1 = 1000000000 (P-1 stage 1)
B1 = 100000000, B2 = 2000000000 (P-1 stage 2)
B1 = 100000000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-11-09T16:29:51+00:00