Use the form below to do your conversion.
Solution
Step1
Log157991=Log(7991) ÷ Log(15)
Log(7991)= 3.9026011306665
Log(15)=1.1760912590557
Log157991=3.9026011306665 ÷ 1.1760912590557
Ans=3.3182808737139
Step2
Alternatively, the logarithm can be calculated like this.