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Are all numbers divisible by 9 also divisible by 3?
Yes. Test a couple numbers divisible by 9--27, 81--and they are all divisible by 3.
Which numbers are divisible by 9 and 3?
27 is one of them.
Is 27 divisible by 3?
27 is divisible by three because the sum of 2 and 7 is divisible by three. However, this trick only works with the numbers 3 and 9. 27 divided by 3 is 9.
What numbers is 621 divisible by?
621 is divisible by these numbers: 1, 3, 9, 23, 27, 69, 207, 621.
What numbers are divisible by 3 but not 2?
For starters, the number 3 is divisible by 3 but not by 2. Next, 9, 27 etc. All the odd multiples of 3 are divisible by 3 but not 2. So there is an infinite number of numbers that are divisible by 3 and not 2.
How many numbers between 1 and 100 are divisible by 3 but not 5?
There are 27 such numbers.
For what numbers is 81 divisible by?
1, 3, 9, 27, 81
Why are odd numbers not divisible by 3?
Many odd numbers are divisible by 3. 3 itself for example, as well as 9, 15, 21, 27, ... Being odd and being divisible by three are not related.
Is 135 divisible by 3?
Yes. It equals 45. A quick rule for numbers to see if they are divisible by 3 is to add all the numbers, for example: 207 = 2 + 0 + 7 = 9 Is 9 divisible by 3...Yes! It helps reduce the large numbers, for an easier answer. The number 8649... 8 + 6 + 4 + 9 = 27 and 27 is divisible by 3, so 8649 is also divisible by 3. BUT...137: 1 + 3 + 7 = 11 11 is not divisible by 3...so, 137 is not divisible by 3.
What numbers is composite 11 17 27 29?
27 is composite as it is divisible by 1, 3, 9 and 27
What numbers are 27 divisible by?
The list is infinite but two of them are 54 and 81.
Is 27 and 54 a composite number?
27 and 54 are composite numbers because both are divisible by 3.
