4 and 7
4 and 7
4 & 7
4 and 2 are factors of -28.
5 + 23 = 28 11 + 17 = 28
28 = 2 x 2 x 7 2 + 2 + 7 = 11
17 AND 11
28 and 39.
The prime factors of 28 are 2 and 7. Their sum is 9.
28
The sum of 8, 11 and 9 is 28.
28
The sum of all the positive factors of 12 is 28.