Divisibility tests for 2, 3, 4, 5, 6, 9, 10 | Factors and multiples | Pre-Algebra | Khan Academy

Divisibility tests for 2, 3, 4, 5, 6, 9, 10 | Factors and multiples | Pre-Algebra | Khan Academy

What we’re going to do in this video are some real quick tests to see if these three random numbers are divisible by any of these numbers here. And I’m not going to focus a lot on the why of why they’re divisible– we’ll do that in other videos– but really just to give you […]

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