is 2 159009701 - 1
has 47866690 decimal digits
takes 1,043.501 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
Actual27312.029761.6438 %10000010000001.41822.1170 %13.447962.4558 %
Target278384.986064.1026 %1000000180000000102.31593.8956 %487.301965.5010 %
Difference-5-372.9563-2.4587 %-900000-179000000-100.8978-1.7786 %-473.8540-3.0452 %

Known prime factors (1 factor, 75.4 bits, 0.00004740% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
159009701486903379831270131387432375.366153104929060671
34 × 7 × 43 × 139 × 163 × 277163
2019-10-2516327716348.1220.14520.2684

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-10-25MadPooManual testing100000100000022375.3661.4181.137%


Trial Factoring results:
57585960616263646566676869707172737475767778
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-06-28Grant McCrackenWork-32632640.012
2011-01-31runeskts012642650.023
2013-02-16Oscar GUrkua2652660.047
2015-04-29tscpfree22662670.094
2016-05-16tscap2672680.188
2017-03-16Doug RheaRELAYMAIL2682690.376
2017-11-11Andrew BManual testing2692700.752
2017-11-20workerthreadManual testing2702711.504
2017-11-26workerthreadManual testing2712723.008
2018-03-21BigHeadScientistManual testing2722736.015


ECM factoring results:
No ECM results for M159009701


Lucas-Lehmer results:
No L-L results for M159009701


PRP results:
No PRP results for M159009701


CERT results:
No CERT results for M159009701


P-1 factor-bounds graph:
B1 = 100000, B2 = 1000000 (P-1 stage 2)
B1 = 100000 (P-1 stage 1)
101
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103
104
105
101
102
103
104
105
106
TF factor-bounds graph:
273
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270
269
268
267
266
265
264
this exponent TF target: 78
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00