Use the form below to do your conversion.
Solution
Step1
Log7139=Log(139) ÷ Log(7)
Log(139)= 2.1430148002541
Log(7)=0.84509804001426
Log7139=2.1430148002541 ÷ 0.84509804001426
Ans=2.5358179747026
Step2
Alternatively, the logarithm can be calculated like this.