Question

using prime factor find HCF '36,45​

Answer 1

Answer:

What is the Greatest Common Factor of 36 and 45?

Greatest common factor (GCF) of 36 and 45 is 9.

GCF(36,45) = 9

We will now calculate the prime factors of 36 and 45, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 36 and 45.

Answer 2

Answer:

1. Given numbers are 36, 45 and 72.
2. Factorization of 36, 45 and 72.
3. Here, 32 is the smallest power of the common factor 3.
4. So, HCF (36, 45, 72) = 3 × 3 = 9.
5. 23 × 32 × 51 are the greatest powers of the prime factors 2, 3 and 5 respectively involved in the given three numbers .

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