is 2 619750289 - 1
has 186563427 decimal digits
takes 18,743.142 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
Actual2700.385657.1429 %----0.385657.1429 %
Target2833,160.843663.8554 %36000008000000002,060.62874.3935 %5,221.472365.4434 %
Difference-13-3,160.4580-6.7126 %-3600000-800000000-2,060.6287-4.3935 %-5,221.0868-8.3006 %

Known prime factors (1 factor, 69.1 bits, 0.00001115% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6197502896450287325490265645512169.128520394055475
52 × 7 × 79 × 37641523
2016-09-2079376415230.375389.936167.97

P-1 results:
No P-1 results for M619750289


Trial Factoring results:
575859606162636465666768697071727374757677787980818283
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2014-03-11sasakiManual testing2652670.036
2016-09-20NipalManual testing267270
69.128
21
0.169


ECM factoring results:
No ECM results for M619750289


Lucas-Lehmer results:
No L-L results for M619750289


PRP results:
No PRP results for M619750289


CERT results:
No CERT results for M619750289


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
270
267
this exponent TF target: 83
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00