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

`13`

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`