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What are two numbers that the first number is the gcf?

Updated: 8/19/2019
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11y ago

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When the first number is a factor of the other, the first number is the GCF.

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11y ago
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Q: What are two numbers that the first number is the gcf?
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What is the gcf of two numbers. the second number is the multiple of the first number?

The GCF is the first number.


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When you are trying to find the GCF of two numbers and one of the numbers is a multiple of the other, the GCF will be the smaller of the two numbers. The GCF of 3 and 9 is 3.


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That is correct. The other number is the LCM.


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How can you find the gcf of two numbers without knowing the factors?

If one of the numbers is a multiple of the other, the smaller number is the GCF. If the two numbers are prime numbers, the GCF is 1. If the numbers are consecutive, the GCF is 1. If the numbers are consecutive even numbers, the GCF is 2.


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