Use the form below to do your conversion.
Solution
Step1
Log15139=Log(139) ÷ Log(15)
Log(139)= 2.1430148002541
Log(15)=1.1760912590557
Log15139=2.1430148002541 ÷ 1.1760912590557
Ans=1.8221500957118
Step2
Alternatively, the logarithm can be calculated like this.