is 2 2324953 - 1
has 699881 decimal digits
takes 0.157 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LA6DB183D5B79BA0Ddouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26712.780467.1642 %50000005050000003.158210.9806 %15.938770.7697 %
Target2620.264264.5161 %1300010000000.00651.7827 %0.270865.1487 %
Difference+5+12.5162+2.6481 %+4987000+504000000+3.1517+9.1978%+15.6679+5.6210 %

Known prime factors (1 factor, 84.8 bits, 0.00364669% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2324953333001939128367071599436412684.7847161476793904372940
22 × 5 × 7 × 11 × 13 × 2083 × 171731216309
2016-02-1620831717312163091,685,138916.511,711.8

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2003-09-14ANONYMOUSv4_computers2048204800--0.0010.791%
2010-02-23Budannan5000001000000012--0.1027.758%
2018-03-05alpertronManual testing5000001500000012---8.321%
2021-04-23ViliamF35000000505000000---15.472%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2016-02-23Mark RoseManual testing212600.066
2009-01-16Sturle Sundeothello.ifi2602610.066
2012-05-26Sebastian HornbostelManual testing2612620.132
2013-01-23dbaughManual testing2622630.422
2015-03-03VictordeHollanderManual testing2632640.844
2015-03-03VictordeHollanderManual testing2642651.607
2015-10-25ramgeisManual testing2652663.214


ECM factoring results:
Total ECM effort:7.394 GHz-days
Estimated T-Level:21.409
DigitsB1CompleteFacMiss
20110003.0324.822%
25500000.28275.437%
302500000.01898.226%


ECM Summary

B1B2factorcurvesGHz-days
500005000000151.200
50000500000010.089
500006914524505.274
50000706736580.831


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1999-03-01ANONYMOUSv4_computersA6DB183D5B79BA0D0.157


PRP results:
dateuseridcompidcofactorsres64
2017-10-11Oliver KruseGTX-0
33300193912836707159943641
DAF3AA6F7A5F7255
2017-11-23kkmrkkblmbrbkc4.xlarge
33300193912836707159943641
DAF3AA6F7A5F7255


CERT results:
No CERT results for M2324953


P-1 factor-bounds graph:
B1 = 5000000, B2 = 505000000 (P-1 stage 2)
B1 = 5000000 (P-1 stage 1)
B1 = 500000, B2 = 15000000 (P-1 stage 2)
B1 = 500000, B2 = 10000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
B1 = 2048, B2 = 204800 (P-1 stage 2)
B1 = 2048 (P-1 stage 1)
102
103
104
105
106
107
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
266
265
264
263
262
261
260
this exponent TF target: 62
TF double-checked to: 67
ECM T-Level=21.41 ~= 55-bit
250
260
270
280
290
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Last modified: 2024-02-29T14:28:04+00:00