Target Exam

CUET

Subject

-- Applied Mathematics - Section B2

Chapter

Numbers, Quantification and Numerical Applications

Question:

If $Ω(n)$ = Total number of prime factors of n, n ∈ N. then what is the value of $Ω(156)$ ?

Options:

2

4

3

5

Correct Answer:

4

Explanation:

The correct answer is option (2) : 4

$156=2×2×3×13$

$Ω(156)= 4$