What is the composite number between 20 and 40?
1 Answer
Nov 14, 2016
All of the following are composite:
#20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40#
Explanation:
A composite number is any number which has factors apart from
So most numbers between
#20 = 2xx2xx5#
#21 = 3xx7#
#22 = 2xx11#
#24 = 2xx2xx2xx3#
#25 = 5xx5#
#26 = 2xx13#
#27 = 3xx3xx3#
#28 = 2xx2xx7#
#30 = 2xx3xx5#
#32 = 2xx2xx2xx2xx2#
#33 = 3xx11#
#34 = 2xx17#
#35 = 5xx7#
#36 = 2xx2xx3xx3#
#38 = 2xx19#
#39 = 3xx13#
#40 = 2xx2xx2xx5#
The only prime numbers (having no factors apart from