There are 18 composite numbers up to and including 30
The composite numbers up to 20 are 4,6,8,9,12,14,15,16,18 and 20.
-30 and 3
Six and three.
21 and 30, among others.
what is all the composite numbers from one to five hundred
Look up a table of prime numbers. All those numbers that are not prime, are composite - except 1, which is neither prime nor composite.
To distinguish them from prime numbers. Composite means "made up of various parts or elements." Prime numbers have one and only one factor pair. Composite numbers have a various number of factor pairs, but always more than one.
The only number between 30 and 40 with distinct prime factors which add up to 12 is 35.
So the composite numbers won't get all bunched up.
They are two composite numbers and they add up to 56 which is also a composite number