Best Answer

The composite numbers that are between 1 and 20 inclusive are:

4 6 8 9 10 12 14 15 16 18 20

This is a total of eleven composite numbers equal to 20 and below.

Lvl 9

Study guides

☆☆

Q: How many composite numbers are less than 20?

Write your answer...

Submit

Still have questions?

Related questions

There are 15 composite numbers greater than 50 but less than 70

There are 18 that are less than 30.

74

1260 of them.

3 composite numbers, 21, 22, and 24, are greater than 20 but less than 25.

There are 18.

Five.

24

The sum of the composite numbers that are less than 8 is: 4+6 = 10

composite numbers are less than 12: 4, 6, 8, 9, 10

There are 15 prime numbers and 34 composite numbers because 1 is not considered to be a prime or composite number

Of the 1499 numbers less than 1500, number 1 is neither prime nor composite, 239 are primes, and the remaining 1259 are composites.