is 2 30736301 - 1
has 9252549 decimal digits
takes 32.017 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LB2D59BE1A7FFF67Ddouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27115.554264.7887 %5050005050000.76281.9158 %16.317065.4633 %
Target27115.554264.7887 %220000325000002.98873.6844 %18.542966.0861 %
Difference---+285000-31995000-2.2259-1.7686 %-2.2259-0.6227 %

Known prime factors (1 factor, 68.7 bits, 0.00022339% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
307363014673084615854734314712168.6637601898185235
32 × 5 × 168931070783
2012-04-1691689310707833.158013,90225,964

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2006-07-10WWU-CSv4_computers505000505000--0.7631.916%
2012-04-16Jerry HallettManual testing2168.6631.3730.000%


Trial Factoring results:
575859606162636465666768697071
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2000-11-15Jossv4_computers212521.95000e-5
2003-08-08AxelFoxv4_computers212600.002
2005-08-16crueltyv4_computers212670.486
2011-05-18UngelovendeManual testing2672680.972
2022-02-06masserManual testing268269
68.663
21
2022-02-26masserManual testing269270
2022-03-09masserManual testing270271


ECM factoring results:
No ECM results for M30736301


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2006-07-10WWU-CSv4_computersB2D59BE1A7FFF67D32.02


PRP results:
No PRP results for M30736301


CERT results:
No CERT results for M30736301


P-1 factor-bounds graph:
B1 = 505000 (P-1 stage 1)
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100
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1010
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TF factor-bounds graph:
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252
this exponent TF target: 71
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00