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You can add up the digits, 6+4+2=12 and if that number is divisible by three, so it the original number. So 12 is certainly divisible by 3 so that means 642 is also.
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∙ 14y ago
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Is 642 by divisible by 9?
No. 642 is not evenly divisible by nine.
Is 642 prime or composite?
642 is composite. It is divisible by 2, 3, 107, 214, and 321.
What is 642 divisible by?
1, 2, 3, 6, 107, 214, 321, 642
Is 642 a prime number?
Just by looking at it, without trying any factors to see if they work, you can see-- 642 is even, i.e. divisible by 2, since it ends in '2'-- 642 is divisible by 3, since its digits add up to (6+4+2) = 12 which is divisible by 3.Just looking at 642, you already know of at least 2 factors that it has besides '1' and itself,so it can't be a prime number.
What is 135 798 642 not divisible by?
5
Is 642 divisible by 2?
Yes, evenly
Is 642 divisible by 6?
Yes and it is 107
What is the divisible of 1248?
here are some 2,3,4,6,8,12,13,16,24,26,32,48,52,321&642
Is 19996 divisible by 3?
No, it is not evenly divisible by 3. The answer you get is 6,665.3333. A trick to tell is a number is divisible by 3 is to add up the digits and see if they are divisible by 3. In this case, 34 is not divisible by 3.
Is 642 divisible by 4 and 6?
Only by 6 evenly with no remainder
What is 642 times 3?
642 x 3 = 1926
Is 693 divisible by 3?
693 is evenly divisible by 3. You can tell that at a glance because every one of its digits is evenly divisible by 3.
