2 x 3 x 5
30
The factor pairs of 30 are (30,1)(15,2)(10,3)(6,5) None of them add up to 20.
It is impossible for three prime numbers less than 30 to add up to 1955. After all, 30+30+30 is only 90.
They are: 2*3*5 = 30
33+30+36=99
No two prime numbers can make 30.No two prime numbers can make 30.No two prime numbers can make 30.No two prime numbers can make 30.
13 & 17
2 x 3 x 5
There are 18 composite numbers up to and including 30
30
No two (or more) composite numbers can multiply to 30.
The factor pairs of 30 are (30,1)(15,2)(10,3)(6,5) None of them add up to 20.
They are: 13+17 = 30
They are 23 plus 7 = 30
2,3,5,7,11,13,17,19,23,29
It is impossible for three prime numbers less than 30 to add up to 1955. After all, 30+30+30 is only 90.