is 2 2463533 - 1
has 741598 decimal digits
takes 0.171 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LD57A4D06BB2A0606double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26712.061567.1642 %2000000600000000.51907.6357 %12.580569.6714 %
Target2630.647965.0794 %100008000000.00531.3349 %0.653265.5455 %
Difference+4+11.4136+2.0848 %+1990000+59200000+0.5136+6.3008%+11.9273+4.1259 %

Known prime factors (1 factor, 61.7 bits, 0.00250625% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
246353338572852898148957591961.742782876724163
782876724163
2010-04-1817828767241630.17444,289.88,012.1

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2003-10-14ANONYMOUSv4_computers2048204800--0.0010.659%
2003-10-31Team Prime Ribv4_computers15000232500--0.0031.692%
2018-09-28alpertronManual testing20000006000000012---10.550%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1997-12-21Ethan O'Connorv4_computers212580.016
1999-05-02ANONYMOUSv4_computers212590.016
2022-03-10LordJuliusManual testing21260
2009-01-15Sturle Sundegooch.ifi2602610.062


ECM factoring results:
Total ECM effort:5.754 GHz-days
Estimated T-Level:21.026
DigitsB1CompleteFacMiss
20110002.19911.095%
25500000.20581.446%
302500000.01398.704%


ECM Summary

B1B2factorcurvesGHz-days
10.198
50000500000030.198
500007000000505.359


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1997-12-21Ethan O'Connorv4_computersD57A4D06BB2A06060.171
1999-05-09ANONYMOUSv4_computersD57A4D06BB2A06060.171


PRP results:
dateuseridcompidcofactorsres64
2017-10-13Oliver KruseGTX-0
3857285289814895759
C00A0818A0DCF22C
2017-11-29noknopcr2-srv
3857285289814895759
DD201EC3D3F5D47B
2017-11-29storm55107700_Kaby_Lake
3857285289814895759
C00A0818A0DCF22C
2017-12-04kkmrkkblmbrbkc4.xlarge
3857285289814895759
DD201EC3D3F5D47B


CERT results:
No CERT results for M2463533


P-1 factor-bounds graph:
B1 = 2000000, B2 = 60000000 (P-1 stage 2)
B1 = 2000000 (P-1 stage 1)
B1 = 15000, B2 = 232500 (P-1 stage 2)
B1 = 15000 (P-1 stage 1)
B1 = 2048, B2 = 204800 (P-1 stage 2)
B1 = 2048 (P-1 stage 1)
100
101
102
103
104
105
106
107
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
261
260
259
258
this exponent TF target: 63
TF double-checked to: 67
ECM T-Level=21.03 ~= 53-bit
250
260
270
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00