If P = 23.310.5 ; Q = 25.3.7, then HCF of P and Q is :

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If P = 2³.3¹⁰.5 ; Q = 2⁵.3.7, then HCF of P and Q is :

1. 2.3.5.7
2. 3.2³
3. 2².3⁷
4. 2⁵.3¹⁰.5.7

Correct Option: B

Given that , P = 2³ × 3¹⁰ × 5
Q = 2⁵ × 3 × 7
∴ HCF of P and Q = 2³ × 3