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555-605 Level|   Multiples and Factors|            
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If r and s are positive integers, is r/s an integer? 04 Oct 2022, 06:56
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woohoo921
To clarify, in statement 1 you can tell that r > s, so then you know that it will just be reduced. But in statement 2, you cannot tell whether r > s or r < s to know whether it can be reduced like it was in statement 1?
Just to add to Bunuel's response above: A question of divisibility is largely unrelated to a question of inequality. Yes, it's true that a smaller integer is definitely NOT divisible by a larger integer... But a larger integer MAY OR MAY NOT be divisible by a smaller integer.
Therefore, it's not advisable to think of a divisibility question as an inequality question, woohoo921.
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If r and s are positive integers, is r/s an integer? 05 Aug 2023, 01:56
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There is a difference between "all the factors of a number" and "prime factors of a number", hence the powers of prime factors of s could be higher than the powers of prime factors of r.

So, A is sufficient, while B is not.
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If r and s are positive integers, is r/s an integer? 22 Aug 2024, 06:35
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