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Does the integer \(k\) have at least three different positive prime factors?
(1) \(\dfrac{k}{15}\) is an integer.
(2) \(\dfrac{k}{10}\) is an integer.
[spoiler]OA=C[/spoiler]
Source: Official Guide
(1) \(\dfrac{k}{15}\) is an integer.
(2) \(\dfrac{k}{10}\) is an integer.
[spoiler]OA=C[/spoiler]
Source: Official Guide
