Write all the factors of the following numbers: (a) 24 (b) 15 (c) 21 (d) 27 (e) 12 (f) 20 (g) 18 (h) 23 (i) 36

Solution:

The factor of a number is a number that divides it perfectly or exactly leaving no remainder.

The factors of numbers 24, 15, 21, 27, 12, 20, 18, 23, 36 are:

Factors of 24: 1, 2, 3, 4, 6, 8, 12 and 24

Factors of 15: 1, 3, 5 and 15

Factors of 21: 1, 3, 7 and 21

Factors of 27: 1, 3, 9 and 27

Factors of 12: 1, 2, 3, 4, 6 and 12

Factors of 20: 1, 2, 4, 5, 10 and 20

Factors of 18: 1, 2, 3, 6, 9 and 18

Factors of 23: 1 and 23

Factors of 36: 1, 2, 3, 4, 6, 9, 12, 18 and 36

Write all the factors of the following numbers: (a) 24 (b) 15 (c) 21 (d) 27 (e) 12 (f) 20 (g) 18 (h) 23 (i) 36

Summary: