[讨论]还有几天考试，请教一道prep ds

frankzhifei

The integer m and p are such that 2<m<p and m is not a factor of p. If r is the remainder when p is divided by m, is r>1?

1.The greatest common factor of m and p is 2

2.The least common multiple of m and p is 30.

请问为什么2不能得出结论啊？