is 2 60778051 - 1
has 18296017 decimal digits
takes 135.020 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
Actual27331.472664.3836 %----31.472664.3836 %
Target27331.472664.3836 %4000007000000013.50334.1597 %44.976065.8651 %
Difference----400000-70000000-13.5033-4.1597 %-13.5033-1.4815 %

Known prime factors (1 factor, 91.9 bits, 0.00015128% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6077805147730138101420693601843925692891.94739265933438224840084
22 × 3 × 29 × 31 × 47 × 8243 × 9479 × 991127
2013-03-27947999112712,044,4940.20280.3249

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2013-03-27Craig MeyersManual testing2891.9472.9320.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2003-06-01Gordon Spencev4_computers212590.001
2003-09-09Gordon Spencev4_computers212600.001
2022-03-29LordJuliusManual testing260263
2009-05-29markrrmst2632640.032
2009-09-07Andrey Kurgannikovhome-22642650.061
2009-10-05carlos56amd955tfl2652660.123
2009-11-12carlos56amd955tfl2662670.246
2009-11-17ANONYMOUSlims22672680.492
2009-11-29Daniel Lynch2682690.984
2011-07-16TheJudgerManual testing2692701.967
2012-12-07Torchwood InstituteManual testing27027327.54


ECM factoring results:
No ECM results for M60778051


Lucas-Lehmer results:
No L-L results for M60778051


PRP results:
No PRP results for M60778051


CERT results:
No CERT results for M60778051


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
TF factor-bounds graph:
273
270
269
268
267
266
265
264
263
260
259
this exponent TF target: 73
TF double-checked to: 67
250
260
270
280
290
2100
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Last modified: 2024-03-13T02:15:48+00:00