Which is not a prime a prime number 14 29 47 55 64. prove it by making a list of all the factor pairs of each number?

Answer 1

14, 55 and 64 are not prime.

(1,14)(2,7)

(1,29)

(1,47)

(1,55)(5,11)

(1,64)(2,32)(4,16)(8,8)

Answer 2

29 and 47 are prime numbers; the others are composite.