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
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 23 plus 7 = 30
They are: 13+17 = 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.
They are 29, 30 and 31.