Question

Free points
Which of these numbers is composite?

3, 23, 29, 41, 87

Answer 1

 87 is the only composite

Answer 2

A composite number has factors other than 1 and itself.

3 * 1 = 3

23 * 1 = 23

29 * 1 = 29

41 * 1 = 41

29 * 3 = 87

Therefore, 87 is your composite number.