is 2 59644157 - 1
has 17954681 decimal digits
takes 132.501 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LFE2D279293EB1B08double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27332.070964.3836 %994069198813856.51684.9346 %38.587866.1411 %
Target27332.070964.3836 %4000007000000013.50334.1499 %45.574365.8616 %
Difference---+594069-50118615-6.9865+0.7847%-6.9865+0.2795 %

Known prime factors (1 factor, 86.7 bits, 0.00014537% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
596441571261066144628673418832798232786.7051057158159372319923
32 × 1091 × 2963 × 7349 × 4944391
2017-11-1073494944391279,9820.89011.6207

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2012-12-17Milldangvelocity675000675000--2.1741.897%
2017-11-10Sid & AndyBullseye99406919881385622786.7056.5174.935%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-23ANONYMOUSv4_computers212532.01000e-5
2000-03-08ANONYMOUSv4_computers212544.02000e-5
2000-06-28ANONYMOUSv4_computers212560.000
2008-06-21monstmersenne2632640.031
2008-11-16lindedlkwxv6h2642650.063
2008-11-29binarydigitsv4_computers212717.893
2008-12-09binarydigitsv4_computers212714.009
2012-10-24Torchwood InstituteManual testing27127324.06


ECM factoring results:
No ECM results for M59644157


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2013-03-07MilldangvelocityFE2D279293EB1B08132.5


PRP results:
No PRP results for M59644157


CERT results:
No CERT results for M59644157


P-1 factor-bounds graph:
B1 = 994069, B2 = 19881385 (P-1 stage 2)
B1 = 994069 (P-1 stage 1)
B1 = 675000 (P-1 stage 1)
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108
TF factor-bounds graph:
273
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265
264
256
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253
this exponent TF target: 73
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00