No two (or more) composite numbers can multiply to 30.
There are 18 composite numbers up to and including 30
51
-117
26
The composite numbers up to 20 are 4,6,8,9,12,14,15,16,18 and 20.
-30 and 3
53
21 and 30, among others.
1115
1332
what is all the composite numbers from one to five hundred
-23