20, 21, 22, 24, 25, 26, 27, 28, and 30
Chat with our AI personalities
20,21,22,24,25,26,27,28,30
composite numbers 30-40
There are 7 composite numbers greater than 20 and less than 30:21, 22, 24, 25, 26, 27, 28
30
11, 13, 17, 19, 23, 29 are the primes between 10 and 30 so the composite numbers are all the others. 12,14,15,16,18,20,21,22,24,25,26,27,28, and 30 are the composite numbers between 10 and 30.