5 and 10 10 and 15 15 and 20
Numbers that are prime can't be multiples of 10. Multiples of 10 can't be odd.
The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40.
Three pairs of numbers with a GCF of 5 are: 5 and 10, 10 and 15, and 5 and 15.
5, 10 15, 20 500, 505
The composite numbers between 10 and 20 are 12, 14, 15, 16 and 18.
There are 7 composite numbers from 10 to 20 (including the boundaries):10, 12, 14, 15, 16, 18 and 20
10, 12, 14, 15, 16, 18, 20.
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.
10, 12, 14, 15, 16, 18, 20
10, 12, 14, 15, 16, 18, 20
They are: 10 12 14 15 16 18 and 20
10, 12, 14, 15, 16, 18, 20
The composite numbers from 2 to 20 are 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, and 20.
Composite numbers between 6 and 20 are 8, 9, 10, 12, 14, 15, 16, and 18.
10, 12, 14, 15, 16, 18, 20
10, 12, 14, 15, 16, 18, 20