Use the form below to do your conversion.
Solution
Step1
Log77891=Log(7891) ÷ Log(7)
Log(7891)= 3.8971320433821
Log(7)=0.84509804001426
Log77891=3.8971320433821 ÷ 0.84509804001426
Ans=4.6114555458161
Step2
Alternatively, the logarithm can be calculated like this.