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Yes it is true.

If you add up the sum of all of the numbers in 34215 like this: 3+4+2+1+5, they equal to 15.

15 is a number that is divisible by 3.

This strategy works for all numbers.

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9y ago
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4mo ago

Yes, 34215 is divisible by 3 because the sum of its digits (3 + 4 + 2 + 1 + 5 = 15) is divisible by 3.

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Q: Is it true 34215 is a divisible by 3?
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Can 34215 be divisible by 3?

Yes. If the integers making up the number add to a number divisible by 3, then it is divisible by 3.The integers 34215 add up to 15, so it is divisible by 3.34215/3 = 11405


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