is 2 30444889 - 1
has 9164825 decimal digits
takes 31.713 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L1C0081BD3F10B8E3double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2670.976062.6866 %4950004950000.74772.9909 %1.723663.8026 %
Target27115.703164.7887 %200000300000002.75443.5669 %18.457466.0447 %
Difference-4-14.7271-2.1022 %+295000-29505000-2.0067-0.5760 %-16.7338-2.2421 %

Known prime factors (1 factor, 67.9 bits, 0.00022305% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
304448892770273547031905738172167.9094549652894172
22 × 3 × 379137741181
2011-05-1743791377411811.679831,20058,273

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2006-08-14curtiscv4_computers495000495000--0.7481.897%
2011-05-17UngelovendeManual testing2167.9091.3730.000%


Trial Factoring results:
575859606162636465666768697071
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2001-09-16Net_Forcev4_computers212560.000
2003-06-30AxelFoxv4_computers212600.003
2005-01-10markrv4_computers212620.010
2005-07-17TheJudgerv4_computers212670.491


ECM factoring results:
No ECM results for M30444889


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2006-09-04curtiscv4_computers1C0081BD3F10B8E331.71


PRP results:
No PRP results for M30444889


CERT results:
No CERT results for M30444889


P-1 factor-bounds graph:
B1 = 495000 (P-1 stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
267
262
260
256
this exponent TF target: 71
TF double-checked to: 67
250
260
270
280
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00