is 2 30682753 - 1
has 9236430 decimal digits
takes 31.961 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L276194E8F9E7DC0Ddouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2670.968462.6866 %36500081212501.18966.1211 %2.158064.9706 %
Target27115.581364.7887 %220000325000002.98873.6836 %18.570066.0858 %
Difference-4-14.6129-2.1022 %+145000-24378750-1.7991+2.4376%-16.4120-1.1152 %

Known prime factors (1 factor, 67.3 bits, 0.00021941% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
306827531843662424816278129132167.3213004395376152
23 × 3 × 592 × 35961833
2011-05-203481359618331.42642.96435.5273

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2005-12-12ANONYMOUSv4_computers3650008121250--1.1904.136%
2011-05-20UngelovendeManual testing2167.3211.3730.000%


Trial Factoring results:
575859606162636465666768697071
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2003-08-08AxelFoxv4_computers212600.003
2005-04-111997rj7v4_computers212620.010
2005-08-16Team Prime Ribv4_computers212670.487


ECM factoring results:
No ECM results for M30682753


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2006-01-01ANONYMOUSv4_computers276194E8F9E7DC0D31.96


PRP results:
No PRP results for M30682753


CERT results:
No CERT results for M30682753


P-1 factor-bounds graph:
B1 = 365000, B2 = 8121250 (P-1 stage 2)
B1 = 365000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
107
108
TF factor-bounds graph:
267
262
260
this exponent TF target: 71
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00