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Answer: 1
Since 5 is a Prime number, the only possible common factors are 1 and 5. Because 18 is not divisible by 5, the only common factor, and thus the greatest common factor, is 1.
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What is the greatest common factor of 18 and 75?
The greatest Common Factor (GCF) of 18 and 75 is 3.
What is the greatest common factor of 10X and 25?
The GCF is 5.
What is the greatest common factor of 18 and 50?
One way to determine the greatest common factor is to find all the factors of the numbers and compare them. The factors of 18 are 1, 2, 3, 6, 9, and 18. The factors of 50 are 1, 2, 5, 10, 25, and 50. The common factors are 1 and 2, so the greatest common factor is 2. The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together. The prime factors of 18 are 2, 3, and 3. The prime factors of 50 are 2, 5, and 5. The prime factors in common are a single 2, so the greatest common factor is 2.
What is the greatest common factor of 5 and 5?
The greatest common factor of 5 and 5 is 5.
What is the greatest common factor of 20 and 65?
The greatest common factor of 20 and 65 is 5.
