14ab
56ab=2x2x2x7xaxb
56ab=2x2x2x7xaxb
2 x 2 x 2 x 7 x A x B
2 x 2 x 2 x 7 x a x b = 56ab
2, 7 and any other prime factors of A and of B.
They are, simply put, people in the organisation who influence the buying decision. It can also be the top management when the cost involved is high and benefits long term. Influencers provide information for strategically evaluating alternatives.