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The least common factor of 45, 27, and 25 is 1. If you meant the least common multiple of those three numbers, then that would be 675. The factors of 25 are 1, 5, and 25.
The factors of 27 are 1, 3, 9, and 27.
The factors of 45 are 1, 3, 5, 9, 15, and 45.
The only common factor is 1. Therefore, it is both the greatest common factor (the largest one) and the least common factor (the smallest one).
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What is the least common factor of 27?
There cannot be a least common factor of 27, because there cannot be any form of common factor without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The least common factor would be the smallest common factor that all the numbers have, which would be 1.
What is the least common factor of 12 and 27?
The factors of 12 are 1, 2, 3, 4, 6, and 12. The factors of 27 are 1, 3, 9, and 27. The common factors of 12 and 27 are 1 and 3. Therefore, the least common factor (the smallest common factor) is 1.
What is the least common multiple for 25 and 27?
Their product.
What is the greatest common factor of 25 and 27?
The GCF of 25 and 27 is 1. The factors of 25 are 5 and 5, and the factors of 27 are 3,3 and 3.
What is the least common factor of 81 and 243?
The least common factor of two numbers is the smallest positive integer that both numbers can be evenly divided by. In this case, the factors of 81 are 1, 3, 9, 27, and 81, while the factors of 243 are 1, 3, 9, 27, 81, and 243. The least common factor of 81 and 243 is 81, as it is the smallest factor that both numbers share.
