Question

how many two numbers are there with their product of digits a prime number​

Answer 1

Answer:

A prime number is a number which has only two factors, one and itself. So two-digit prime numbers are: 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47,.

Answer 2

Answer:

8

Step-by-step explanation:

12,21,13,31,15,51,17,71