they are both divisible by 24 You would end up with 1 and 4 if you divided each by 24
24, 48, 72, 96, 120, 144, 168, 192, 216, 240, 264, 288, 312, 336, 360, 384, 408, 432, 456, 480, 504, 528, 552, 576.
20
It is not possible to give a sensible answer to this question. The greatest common factor (GCF) refers to a factor that is COMMON to two or more numbers. You have only one number in the question! 3136 cannot have a GCF.
66
The factor pairs of 123 are (123,1)(41,3) Even considering their negative counterparts, nothing adds up to -24
20
-28
88
-25
Yes; 384 = 360 + 24, divide each number by 6 to get 60 and 4, then add the numbers up to get 64.
24 and 5
228
Assuming that "adds up to" means "its digits add up to" 888
132
-231
188