Use the form below to do your conversion.
Solution
Step1
Log78491=Log(8491) ÷ Log(7)
Log(8491)= 3.9289588408808
Log(7)=0.84509804001426
Log78491=3.9289588408808 ÷ 0.84509804001426
Ans=4.6491160254194
Step2
Alternatively, the logarithm can be calculated like this.