is 2 332653553 - 1
has 100138698 decimal digits
takes 4,948.222 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-daysProbability
Actual27792.012162.3377 %2611000101557000172.58996.1164 %264.602164.6412 %
Target2811,472.202264.1975 %1900000400000000508.79794.0323 %1,981.000165.6412 %
Difference-4-1,380.1901-1.8599 %+711000-298443000-336.2080+2.0841%-1,716.3980-1.0000 %

Known prime factors (1 factor, 94.8 bits, 0.00002849% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
332653553337756083752383421097059442732994.77050766943672533601512
23 × 35 × 11689 × 430487 × 5189761
2021-04-09430487518976112,060,28514.87818.897

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2021-04-09ChellePC8__2x__Xeon816026110001015570001222994.770172.64.358%


Trial Factoring results:
57585960616263646566676869707172737475767778798081
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-10-26Team_Inspectorthumbelina2662670.045
2012-04-01LaurVManual testing2672690.270
2012-07-09LaurVManual testing2692700.359
2013-01-30LaurVManual testing2702710.719
2013-03-10LaurVManual testing2712721.438
2013-09-19america64Manual testing2722732.875
2015-07-11James HeinrichManual testing2732745.751
2016-03-18srow7Manual testing27427511.50
2020-06-04el groccoGPU72_TF27527623.00
2020-10-09bayanneGPU72_TF27627746.01


ECM factoring results:
No ECM results for M332653553


Lucas-Lehmer results:
No L-L results for M332653553


PRP results:
No PRP results for M332653553


CERT results:
No CERT results for M332653553


P-1 factor-bounds graph:
B1 = 2611000, B2 = 101557000 (P-1 stage 2)
B1 = 2611000 (P-1 stage 1)
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109
TF factor-bounds graph:
277
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275
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273
272
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267
this exponent TF target: 81
TF double-checked to: 67
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JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00