Write the prime factors of 28 and 36 through division method.

Write the prime factors of 32 by factor tree method.

Write the prime factors of 42 by factor three method.

The number of prime factors of 36 is

Find the HCF of the following numbers by prime factorisation and continued division method. 18, 27, 36

Find the HCF of the following numbers by prime factorisation and continued division method. 10, 35, 40

Find the HCF of the following numbers by prime factorisation and continued division method. 32, 64, 96, 128

Find the HCF of the following numbers by prime factorisation and continued division method. 106, 159, 265

Find the HCF of the number by prime factorisation and continued division method?32, 64,96, 128