Which of the following numbers has the largest number of unique prime factors?: {135, 62, 96}

1 Answer
May 1, 2016

96 has the largest number of unique prime factors.

Explanation:

Prime factors of 135 are 3 and 5 as 135=3xx3xx3xx5

Prime factors of 62 are 2 and 31 as 62=2xx31

Prime factors of 96 are 2 and 3 as 96=2xx2xx2xx2xx2xx3

Hence, all these numbers have just two prime numbers as factors, but 96 has the largest number of unique prime factors.