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The GCF of 15 and 65 is 5.
One way to determine the greatest common factor is to find all the factors of the numbers and compare them.
The factors of 15 are 1, 3, 5, and 15.
The factors of 65 are 1, 5, 13, and 65.
The common factors are 1 and 5. Therefore, the greatest common factor is 5.
The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.
The prime factors of 15 are 3 and 5.
The prime factors of 65 are 5 and 13.
The common prime factors are a single 5, so the greatest common factor is 5.
Wiki User
∙ 8y ago
Wiki User
∙ 11y agoThe GCF is 5.
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