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The least common factor of any pair of numbers, including 10 and 12, is 1.

The factors of 10 are 1, 2, 5, and 10.

The factors of 12 are 1, 2, 3, 4, 6, and 12.

The common factors of 10 and 12 are 1 and 2. Therefore, the least common factor (the smallest common factor) is 1.

Q: What is the least common factor of 10 and 12?

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The least common factor is: 1

2 and 60 10 and 12

The factors of 12 are 1, 2, 3, 4, 6, and 12. The factors of 50 are 1, 2, 5, 10, 25, and 50. The common factors are 1 and 2. Therefore, the least (smallest) common factor is 1.

The least common factor of any set of positive integers is 1.

If you want the "least", then there can only be one. If there were more than one,then one would be smaller than the other, and they wouldn't both be "least".The least common factor of 12 and 18 is ' 1 '.In fact, the least common factor of any two numbers is ' 1 '.

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