0
Anonymous
17 = (4+2)*3 - 1
20.5667
(17+17+17+17+17+17+17+17+17+17+17)-(29+29+29) = 100
a prime number is a number that has only to factors like the number 17 it only has the factors of 1 & 17
1 is the only number as 17 is a prime number