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.