30 is the only number between 20 and 50 that is a factor of 60
20 and 28 both have six factors.
16 has five factors.
5, 10, 15 and 20 have five as a factor. The number 16 has five factors.
16
The factors of 16 are: 1, 2, 4, 8, and 16.
26
20 and 28 both have six factors.
The factors of 16 are 1, 2, 4, 8, and 16.
26
12, 18 and 20 each have six factors.
16 has five factors.
16 has five factors.
5, 10, 15 and 20 have five as a factor. The number 16 has five factors.
12
16
16
List all the factors of each number. Which factors are prime factors between 20 and 28.