is 2 58273249 - 1
has 17541996 decimal digits
takes 123.507 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
Actual2670.509961.1940 %----0.509961.1940 %
Target27332.825464.3836 %4000006500000012.04574.0797 %44.871165.8366 %
Difference-6-32.3155-3.1895 %-400000-65000000-12.0457-4.0797 %-44.3612-4.6426 %

Known prime factors (3 factors, 127.9 bits, 0.00021954% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5827324951280459131032.25644
22 × 11
-4119.912e-121.346e-52.502e-5
5827324983913478571032.96672
23 × 32
2008-09-11999.972e-122.766e-55.629e-5
5827324975646620184989009191962.71464906815291
3 × 57803 × 374299
2016-09-29578033742990.01420.23060.3615

4 Composite Factors:
P-1 results:
No P-1 results for M58273249


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-09-11Will EdgingtonManual testing??
32.966
10
2016-09-29TJAOIManual testing262263*
62.714
19
0.012


ECM factoring results:
No ECM results for M58273249


Lucas-Lehmer results:
No L-L results for M58273249


PRP results:
No PRP results for M58273249


CERT results:
No CERT results for M58273249


P-1 factor-bounds graph:
100
101
102
103
104
105
100
101
102
103
104
105
106
TF factor-bounds graph:
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