Use the form below to do your conversion.
Solution
Step1
Log72543=Log(2543) ÷ Log(7)
Log(2543)= 3.4053463601757
Log(7)=0.84509804001426
Log72543=3.4053463601757 ÷ 0.84509804001426
Ans=4.0295281718063
Step2
Alternatively, the logarithm can be calculated like this.