is 2 2325823 - 1
has 700143 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-LADA8A334D52D128Edouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26712.775767.1642 %50000003050000002.090810.2917 %14.866570.5435 %
Target2620.264164.5161 %1300010000000.00651.7829 %0.270765.1488 %
Difference+5+12.5115+2.6481 %+4987000+304000000+2.0843+8.5088%+14.5958+5.3948 %

Known prime factors (1 factor, 94.1 bits, 0.00404528% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2325823210256779924299212740302702472994.0864520051180255316349101
3 × 23 × 37 × 13297 × 41513 × 3207411997
2016-04-294151332074119971.867e+917.12131.971

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2003-09-14ANONYMOUSv4_computers2048204800--0.0010.791%
2010-02-24Budannan5000001000000012--0.1027.758%
2018-03-05alpertronManual testing5000001500000012---8.322%
2021-04-24ViliamF35000000305000000---14.615%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2016-02-23Mark RoseManual testing212600.066
2009-01-17Sturle Sundeothello.ifi2602610.066
2012-05-26Sebastian HornbostelManual testing2612620.132
2013-01-23dbaughManual testing2622630.422
2015-03-03VictordeHollanderManual testing2632652.451
2015-10-25ramgeisManual testing2652663.213


ECM factoring results:
Total ECM effort:6.950 GHz-days
Estimated T-Level:21.329
DigitsB1CompleteFacMiss
20110002.8535.770%
25500000.26676.665%
302500000.01798.328%


ECM Summary

B1B2factorcurvesGHz-days
500005000000181.466
50000500000020.177
500007000000505.307


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1999-03-15ANONYMOUSv4_computersADA8A334D52D128E0.157


PRP results:
dateuseridcompidcofactorsres64
2017-10-11Oliver KruseGTX-1
21025677992429921274030270247
97DF6A58ABB73894
2017-11-23ATHec2-1xh
21025677992429921274030270247
97DF6A58ABB73894


CERT results:
No CERT results for M2325823


P-1 factor-bounds graph:
B1 = 5000000, B2 = 305000000 (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
TF factor-bounds graph:
266
265
263
262
261
260
this exponent TF target: 62
TF double-checked to: 67
ECM T-Level=21.33 ~= 54-bit
250
260
270
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290
2100
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Last modified: 2024-03-13T02:15:48+00:00