prepswift, prime quiz. the question goes as follows:
Numbers are said to be “co-prime” if they share no common factors other than
1
Which three numbers below are all co-prime with each other?
Select three answer choices.
75
100
143
147
154
why is the correct combination according to gregmat is 100, 143, and 147 and not the combination of those 3 numbers: 75, 143, and 154