CUET Preparation Today
CUET
-- Applied Mathematics - Section B2
Numbers, Quantification and Numerical Applications
If $Ω(n)$ = Total number of prime factors of n, n ∈ N. then what is the value of $Ω(221)$ ?
5
1
2
4
The correct answer is option (3) : 2
$221=13×17$
$Ω(221)= 2$
