Target Exam

CUET

Subject

-- Applied Mathematics - Section B2

Chapter

Numbers, Quantification and Numerical Applications

Question:

If $\omega (n)$ = Number of distinct prime factors of n, n ∈ N, then what is the value of $\omega (68)$ ?

Options:

1

2

3

4

Correct Answer:

2

Explanation:

The correct answer is option (2) : 2

$∵68= 2×2×17$

$⇒\omega (68) = 2$