is 2 1590101 - 1
has 478669 decimal digits
takes 0.071 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L9B137DD920AD754Cdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26718.686868.6567 %500000150000000.08354.9834 %18.770470.2187 %
Target2610.193265.5738 %65003000000.00151.0549 %0.194665.9369 %
Difference+6+18.4936+3.0829 %+493500+14700000+0.0821+3.9285%+18.5757+4.2817 %

Known prime factors (1 factor, 74.9 bits, 0.00470889% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1590101346715775340651859688172374.87610902319265903608
23 × 79 × 17250505167569
2014-05-3079172505051675692,406.160,871113,691

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2003-12-31eteov4_computers20000020000006--0.0195.456%
2016-03-17alpertronManual testing5000001500000012---8.731%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1998-10-29ANONYMOUSv4_computers212570.012
2003-07-30ANONYMOUSv4_computers212580.024
2010-05-02Architects Cubedm1_76l2602610.097
2010-06-29GrunwalderGIMPManual testing212631.004


ECM factoring results:
Total ECM effort:31.217 GHz-days
Estimated T-Level:25.716
DigitsB1CompleteFacMiss
201100014.5770.000%
25500001.66718.874%
302500000.14386.662%
3510000000.01099.007%


ECM Summary

B1B2factorcurvesGHz-days
10.112
50000500000024913.83
250000400000005017.28


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1998-11-21ANONYMOUSv4_computers9B137DD920AD754C0.071


PRP results:
dateuseridcompidcofactorsres64
2017-09-30alpertronManual testing
34671577534065185968817
C255816EF97E5E95
2017-10-18Oliver KruseGTX-3
34671577534065185968817
C255816EF97E5E95


CERT results:
No CERT results for M1590101


P-1 factor-bounds graph:
B1 = 500000, B2 = 15000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
B1 = 200000, B2 = 2000000 (P-1 stage 2)
B1 = 200000 (P-1 stage 1)
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TF factor-bounds graph:
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this exponent TF target: 61
TF double-checked to: 67
ECM T-Level=25.72 ~= 69-bit
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Last modified: 2024-02-29T14:28:04+00:00