find the three digit no. which has all three different prime digits.

Question

a three digit number is a product of four prime numbers,three digits of the number are all prime and different, and the sum of its prime factors is 30, find the number. please provide detailed method of the above mentioned question

Answer 1

1) do guess and check 2) the prime numbers can be repeated 3) it is 2,2,7,19

Answer 2

Find all 3 digit natural numbers which are 12 times as large as the sum of their digits