The odd one out in that set of four numbers could be 57, as it is the only one in the list that is not a Prime number.
57 is the only one evenly divisible by 19 (or 3) ...and the other three are prime numbers
37
35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59
The difference between 84 and 37 is 47, BUT the difference between 37 and 84 is -47 (a negative number). It all depends on which is the first number.
odd because when divided by 2 it gives a remainder (23 and 1 remainder)
57 is the only one evenly divisible by 19 (or 3) ...and the other three are prime numbers
31 37 41 43 47
31, 37, 41, 43, 47.
31 37 41 43 47
31 37 41 43 47
They are: 31 37 41 43 and 47
31 37 41 43 47
They are: 31 37 41 43 and 47
six 37 39 41 43 45 47
-84
10
there is 6 and they are 37 39 41 43 45 47