is 2 2383 - 1
has 718 decimal digits
takes 0.000 GHz-days to do one PRP test
Has been fully factored.
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-
Cofactor is a certified prime

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actualunknown----0.00000.0000%
Target2440.001072.7273%500100000.00000.8046%0.001072.9467%
Difference-44-0.0010-72.7273%-500-100000.0000-0.8046%-0.0010-72.9467%

Known prime factors (3 factors, 2,383.0 bits, 100.00000000% known):
Remaining cofactor is a certified-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
238311323873031030.077237597
3 × 29 × 2731		-2927318.571e-87.282e-91.150e-8
238388986544184903681063396243600536133109.455186711171181081999713378605960
23 × 5 × 53 × 88071307160887735713857833		-53880713071608877357138578337.638e+131.983e+143.704e+14
2383
click to show decimal representation
6762,243.468

1 Composite Factors:
P-1 results:
No P-1 results for M2383


Trial Factoring results:
No TF results for M2383


ECM factoring results:
Total ECM effort:0.000 GHz-days
DigitsB1CompleteFacMiss


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0


Lucas-Lehmer results:
No L-L results for M2383


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-09kkmrkkblmbrbkc4.large
1132387303
889865441849036810633962436005361
PRP


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
TF factor-bounds graph:
this exponent TF target: 44
TF double-checked to: 67.8
250
260
270
280
290
2100
2110
Last modified: 2023-04-26T21:34:10+00:00