is 2 24506851 - 1
has 7377298 decimal digits
takes 19.878 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2671.212562.6866%----1.212562.6866%0.0000%
PrimeNet2660.602662.1212%11000040000000.37864.9642%0.981364.0016%1.8804%
GPU722709.750464.2857%17000050000000.50943.6176%10.259865.5777%1.2920%
Difference-3-8.5379-1.5991%-170000-5000000-0.5094-3.6176%-9.0473-2.8912%-2.8912%

Known prime factors (2 factors, 118.7 bits, 0.00048444% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
245068511789933912445023211857.3133651905160
23 × 32 × 5 × 10144181
2001-12-019101441810.00130.65001.2140
2450685130615957777781582791961.40962464079489
7 × 17 × 19 × 23 × 1201163
2016-04-262312011630.01910.07700.1438

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
2450685154800541088436226972349401132086555936118.722
P-1 results:
No P-1 results for M24506851


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-12-01T00:00:00Mattv4_computers??57.313180.00141.110.001
2001-09-16T00:00:00Net_Forcev4_computers21256--0.000--
2022-06-24T04:22:52LordJuliusManual testing2126157.313180.00141.110.003
2016-04-26T15:17:30TJAOIManual testing261262*61.409190.00741.090.014


ECM factoring results:
No ECM results for M24506851


Lucas-Lehmer results:
No L-L results for M24506851


PRP results:
No PRP results for M24506851


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
267
262
261
256
2
250
260
270
280
290
2100
Last modified: 2022-06-24T04:22:52+00:00