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.
None add up to 30; you would need at least three 6-sided die with numbers 6-11 to add to 30.
-23
21
13 & 17
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.
35
The factor pairs of 30 are (30,1)(15,2)(10,3)(6,5) None of them add up to 20.
30
It is impossible for three prime numbers less than 30 to add up to 1955. After all, 30+30+30 is only 90.
-117
They are 29, 30 and 31.
61
None add up to 30; you would need at least three 6-sided die with numbers 6-11 to add to 30.
-23
The two numbers are -2 and -15