is 2 30043493 - 1
has 9043993 decimal digits
takes 31.295 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LAA6416277B7C8453double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual274127.344266.2162 %650627130125402.00003.6277 %129.344267.4418 %
Target27115.912964.7887 %200000300000002.75443.5605 %18.667266.0424 %
Difference+3+111.4314+1.4275 %+450627-16987460-0.7544+0.0672%+110.6770+1.3994 %

Known prime factors (1 factor, 103.9 bits, 0.00034586% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
300434931902796068734098810528084419340932103.908316673575328624206667328
26 × 32 × 312 × 43 × 463 × 677 × 49429 × 858709
2020-05-29494298587095.932e+90.14130.1519

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2006-06-13curtiscv4_computers435000435000--0.6571.791%
2020-05-29GdSManual testing6506271301254012232103.9082.0004.844%


Trial Factoring results:
575859606162636465666768697071727374
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2000-05-10Alex Kruppav4_computers212533.99000e-5
2001-09-16Net_Forcev4_computers212560.000
2003-06-01AxelFoxv4_computers212600.003
2004-12-131997rj7v4_computers212620.010
2005-06-19ANONYMOUSv4_computers212680.995
2012-03-12bcp19Manual testing2682705.970
2017-06-17ramgeisManual testing2702717.959
2019-12-13ANONYMOUSManual testing27127347.76
2020-03-06ANONYMOUSManual testing27327463.68


ECM factoring results:
No ECM results for M30043493


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2006-07-10curtiscv4_computersAA6416277B7C845331.30
2012-10-22vichicoLN-ROMAAA6416277B7C845331.30


PRP results:
No PRP results for M30043493


CERT results:
No CERT results for M30043493


P-1 factor-bounds graph:
B1 = 650627, B2 = 13012540 (P-1 stage 2)
B1 = 650627 (P-1 stage 1)
B1 = 435000 (P-1 stage 1)
103
104
105
106
103
104
105
106
107
108
TF factor-bounds graph:
274
273
271
270
268
262
260
256
253
this exponent TF target: 71
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00