Question

Which group names all the whole number factors of a composite number?

A. 1, 2, 3, 6, 9, 36
B. 1, 3, 5, 9, 45
C. 1, 3
D. 1, 2, 3, 4, 6, 8, 12, 24

Answer 1

the list must have pairs, working in from the ends. The only such lists I see are C and D