Use the form below to do your conversion.
Solution
Step1
Log710991=Log(10991) ÷ Log(7)
Log(10991)= 4.041037207867
Log(7)=0.84509804001426
Log710991=4.041037207867 ÷ 0.84509804001426
Ans=4.7817377588509
Step2
Alternatively, the logarithm can be calculated like this.