3, 6, 9, 12, 15 and so on.
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The highest factor of 2,530 that is not divisible by six is 2,530 itself.
3 is not a factor of 49. To find out if a 3 is a factor of another number, simply add the digits of the number together to discover if 3 will divide evenly into their sum. If it can, the number is divisible by 3. For example, for the number 1890, add 1 + 8 + 9 + 0. The answer is 18. 18 is divisible by 3, so 1890 is divisible by 3. If you like, you can carry this out farther and add the digits of 18 together. The answer is 9. 9 is divisible by 3, so 1890 is divisible by 3. This method works for any number, no matter how many digits it has, to find out if a number is divisible by 3.
No. A number must be divisible by the factor.
The greatest common factor is 3.You can check this by looking at all of the factors of 27 and seeing if 60 is divisible by any of them, and picking the largest one.Factors of 27 : 1 , 3 , 960 is divisible by 1 and 3, and of those two 3 is the larger number.
3 is not divisible by 126. 126 is divisible by 3.