Question #916f7

1 Answer
Apr 25, 2017

#4#

Explanation:

All natural numbers except 1 are either prime (having 2 factors) or composite (having more than 2 factors).

1 has only one factor (#1#).

The numbers BETWEEN 1 and 6 are; # 2,3,4,5#

#2,3,5# are prime.

#4# is the only composite number.