Question

LCM of (2³ × 3 × 5) and (2⁴ × 5 × 7) is ______.

विकल्प

• 40

• 560

• 1120

• 1680

Answer 1

LCM of (2³ × 3 × 5) and (2⁴ × 5 × 7) is 1680.

Explanation:

LCM = product of prime factors with highest power

= (2⁴ × 3 × 5 × 7)

= (16 × 3 × 5 × 7)

= 1680