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Is 39 Divisible By 3 Yes Or No? [Solved]
When checking if a number is divisible by 3, the easiest way to check this is to sum up the digits in 39 and if that resulting number is divisible by 3, then 39 is too. We can see that the sum of the digits in this case is 12 and this number IS divisible by 3, which means that 39 is also divisible by 3.
Divisibility Rules (3, 6 and 9) | Don’t Memorise
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Divisibility Rule for 3 | Math with Mr. J
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Greatest sum divisible by 3 - Leetcode 1262 - Dynamic Programming
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