Question

find the HCF prime factoriation method 84and144​

Answer 1

Answer:

What is the greatest common factor of 84 and 144??

Take the prime factors that are common to both numbers.

Those are 3, 2 and 2.

Therefore, the HCF of 84 and 144 is 12.

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Answer 2

Answer:

12

Step-by-step explanation:

84 = 2× 2× 3 × 7

= 2² × 3²

The HCF will be the product of common numbers with the least power

So, 2²× 3 = 4× 3 = 12