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, and the GCF is 2.
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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.
The common factors of 10 and 24 are 1 and 2
Factors of 12 are 1, 2, 3, 4, 6, and 12 Factors of 20 are 1, 2, 4, 5, 10, and 20 Common factors would be 1, 2, and 4.
The factors of 12 are 1,2,3,4,6 and 12. For them to be common, they need to be compared to another set of factors.
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.