is 2 60586921 - 1
has 18238481 decimal digits
takes 134.596 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27331.571964.3836 %----31.571964.3836 %
Target27331.571964.3836 %4000007000000013.50334.1581 %45.075265.8645 %
Difference----400000-70000000-13.5033-4.1581 %-13.5033-1.4810 %

Known prime factors (1 factor, 78.4 bits, 0.00012933% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
605869213869834968279516511168872478.3573193622405964083
17 × 241 × 251219 × 3102881
2013-01-2325121931028811,199.11.30971.6469

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2013-01-23jimmychauOffice_i72478.3573.7620.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2003-06-01Gordon Spencev4_computers212590.001
2003-08-25Gordon Spencev4_computers212600.001
2022-03-29LordJuliusManual testing260263
2009-03-26ANONYMOUS2632640.032
2009-03-27ANONYMOUS2642650.062
2009-03-29ANONYMOUS2652660.123
2010-06-17dmbleess2008desktop2662670.247
2010-07-08giheffseb2672680.493
2010-07-11Net_ForceKathy_PC2682690.987
2011-07-16subgeniusHDO-c12692701.973
2012-08-27vats09AX2_64_102702713.947
2013-01-03Jerry HallettManual testing27127323.68


ECM factoring results:
No ECM results for M60586921


Lucas-Lehmer results:
No L-L results for M60586921


PRP results:
No PRP results for M60586921


CERT results:
No CERT results for M60586921


P-1 factor-bounds graph:
104
105
106
104
105
106
107
TF factor-bounds graph:
273
271
270
269
268
267
266
265
264
263
260
259
this exponent TF target: 73
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00