Find the HCF of. 30 and 45
Mathematics
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Step-by-step solution
3 stepsFind the prime factors of each number.
The prime factors of 30 are 2 × 3 × 5.
The prime factors of 45 are 3 × 3 × 5.Identify the common prime factors.
The common prime factors are 3 and 5.
Multiply the common prime factors to find the HCF.
HCF = 3 × 5 = 15.
The HCF of 30 and 45 is 15.
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