Question

Omar thinks of a two digit number it is a factor of 78 it is a prime number what is his number

Answer 1

13

Factors of 78 are:

1,2,3,6,13,26,39,78.

13 is the prime two-digit number.

Answer 2

Answer:

$13$

Step-by-step explanation:

First write the factors of 78

$1 \: \: 3 \: \: 6 \: \: 13 \: \: 26 \: \: 39 \: \: 78$

Now write the prime number that you can see above

$3 \: \: \: 13$

Now write the two digit number ( prime number) that you can see above

$13$