Question

Write 210 as product of prime factors.

Answer 1

210 = 3 x 70 

= 3 x 7 x 10 

= 3 x 7 x 5 x 2 

∴ way of 2 x 3 x 5 x 7. 

So the composite number 210 can be written as product of primes 2, 3, 5 and 7 in the way of 2 x 3 x 5 x 7.