Use the form below to do your conversion.
Solution
Step1
Log72891=Log(2891) ÷ Log(7)
Log(2891)= 3.4610480916707
Log(7)=0.84509804001426
Log72891=3.4610480916707 ÷ 0.84509804001426
Ans=4.0954397333737
Step2
Alternatively, the logarithm can be calculated like this.