In this video,The prime factors of a number are the set of prime numbers that multiply together to give the original number. Factor Tree of 12 Step 1: Split 12 into two factors. ... Step 2: Observe these factors to see if they are prime or not. Step 3: Since 2 is a prime number we circle it as one of the prime factors of 12. ... Step 4: At this stage, we are left with prime numbers, 2 and 3. ... Step 5: Therefore, the prime factors of 12 = 2 × 2 × 3. learn more LCM and HCF playlist • LCM and HCF #conceptsandsteps divisibility rule for 2 • Video divisibility rule for 3 • divisibility by 3 prime factors of a number,prime factors,prime factors of 18,prime factor,prime factors of 75,prime factorization,factors,finding factors of a number,prime factors of 84,prime factors of 66,prime factors of 36,prime factors of 55,prime factors of 21,prime factors of 40,prime factors of 84 is,prime factorization of large numbers,prime factors of 100,prime factors of 145,prime factors of 76,prime factors of 63,prime factors of 88,prime factors of 87