is 2 143052001 - 1
has 43062944 decimal digits
takes 796.720 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
Actual2726.685261.1111 %16007413262500026.57736.7759 %33.262663.7462 %
Target277213.965363.6364 %90000017000000081.66984.1239 %295.635165.1360 %
Difference-5-207.2801-2.5253 %+700741-137375000-55.0924+2.6519%-262.3725-1.3898 %

Known prime factors (1 factor, 78.7 bits, 0.00005500% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1430520014850046798237809997279532478.6821695204109111976
23 × 53 × 975421 × 4098869
2016-02-049754214098869427.939.251516.031

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2016-02-04ROMAN ALEXANDER FERNANDEZ ROCHAPAVILION16007413262500022478.68226.584.368%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-06-17Charles A. Morrispulsar2632640.014
2010-12-19M RafiRoma20012642650.026
2012-12-17Richardworkmy2652660.052
2015-02-25aurashiftusslcburnin342662670.104
2016-01-21ROMAN ALEXANDER FERNANDEZ ROCHAPAVILION2672680.209
2016-01-21ROMAN ALEXANDER FERNANDEZ ROCHAPAVILION2682690.418
2016-01-21ROMAN ALEXANDER FERNANDEZ ROCHAPAVILION2692700.836
2016-01-27ROMAN ALEXANDER FERNANDEZ ROCHAPAVILION2702711.672
2016-01-27ROMAN ALEXANDER FERNANDEZ ROCHAPAVILION2712723.343


ECM factoring results:
No ECM results for M143052001


Lucas-Lehmer results:
No L-L results for M143052001


PRP results:
No PRP results for M143052001


CERT results:
No CERT results for M143052001


P-1 factor-bounds graph:
B1 = 1600741, B2 = 32625000 (P-1 stage 2)
B1 = 1600741 (P-1 stage 1)
104
105
106
107
104
105
106
107
108
TF factor-bounds graph:
272
271
270
269
268
267
266
265
264
this exponent TF target: 77
TF double-checked to: 67
250
260
270
280
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00