Which One Of The Following Numbers Is A Prime?

39,49,48,69

None of these numbers are prime

prime numbers are numbers that have only two factors

A prime number is any number where its only factors are 1 and itself.

Factors of 39: 1, 3, 13, 39

not prime

Factors of 49: 1, 7, 49

not prime

Factors of 48: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48

not prime

Factors of 69: 1, 3, 23, 69

not prime

None are prime.