Question

l am an odd number between 50and 60. I am a prime number. the product of my digit is multiple of 9. what number am i​

Answer 1

Given,

The number lies between 50 and 60

The number is a prime number.

The product of the digits of the number is a multiple of 9.

To find,

The number with the given characteristics.

Solution,

First of all, we have to keep in mind that the number is a prime number. So, let us make a list of the prime numbers between 50 and 60.

Prime numbers = 53 , 59 (These numbers only have 1 and themselves as their factors.)

Now, the necessary number has a multiple of 9 as the product of it's two digits. Let us calculate the product of their two digits.

53 = 5 × 3 = 15

59 = 5 × 9 = 45 (Divisible by 9)

Hence, the necessary number is 59.