Factor, but not a Multiple

With this tool you can look up which number is a factor of a number, but not a multiple of the same number or a different number.

In other words, we will answer questions formulated like this: "Which number is a factor of a, but not a multiple of b?" where a and b can be the same or different.

Please submit your problem below to get started.

Which number is a factor of  but not a multiple of ?

Not sure which numbers to look up? Check out the examples below to learn.

Which number is a factor of 10, but not a multiple of 2?

Which number is a factor of 10, but not a multiple of 5?

Which number is a factor of 12, but not a multiple of 3?

Which number is a factor of 14, but not a multiple of 2?

Which number is a factor of 15, but not a multiple of 3?

Which number is a factor of 16, but not a multiple of 4?

Which number is a factor of 16, but not a multiple of 8?

Which number is a factor of 18, but not a multiple of 6?

Which number is a factor of 20, but not a multiple of 10?

Which number is a factor of 20, but not a multiple of 2?

Which number is a factor of 20, but not a multiple of 4?

Which number is a factor of 20, but not a multiple of 5?

Which number is a factor of 21, but not a multiple of 7?

Which number is a factor of 22, but not a multiple of 11?

Which number is a factor of 24, but not a multiple of 12?

Which number is a factor of 24, but not a multiple of 6?

Which number is a factor of 24, but not a multiple of 8?

Which number is a factor of 8, but not a multiple of 4?

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