CUET Preparation Today
CUET
-- Applied Mathematics - Section B2
Numbers, Quantification and Numerical Applications
If $\omega (n)$ = Number of distinct prime factors of n, n ∈ N, then what is the value of $\omega (780)$ ?
5
2
3
4
The correct answer is option (4) : 4
$∵780= 2×2×3×5×13$
$⇒\omega(780)=4$
