VeritasPrepKarishma wrote:
Thank you so much Karishma!!! +1 great link... was very helpful!
So every time we see factor we know it means positive factor! Correct?
One more question though, if a Question say that
X is a multiple of Y:
According to the multiple definition you gave me( "Multiples are numbers which we get by multiplying an integer by another integer"). Thus, X can be negative.
But we know that
X is a multiple of Y is equivalent to
X is divisible by Y but based to you post, divisibility is applied to positive numbers only so X must be positive... Thus, X can't be negative.
I think that the statements contradict each other..
Actually, no. More often that not, we use just the positive multiples and that is when we say X is a multiple of Y implies X is divisible by Y. In divisibility questions, you will see that they mention 'x and y are positive integers', 'n is a positive integer' etc. The reason is that a divisible by b makes sense only when both are positive integers (as explained in the link given above). If we are talking about negative multiples, 'X is divisible by Y' is not logical.