Answer:
A) 19
Step-by-step explanation:
prime number: Any whole number which is greater than 1 and has only two factors that is 1 and the number itself
A) 19 => 1 × 19 correct
B) 26 => 1 × 26, 2 × 13 incorrect
C) 48 => 1 × 48, 2 × 24, 3 × 16, 4 × 12, 6 × 8 incorrect
D) 52 => 1 × 52, 2 × 26, 4 × 13 incorrect
