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Answer:
The common factors of 4 and 18 are 1 and 2.
The greatest common factor of 4 and 18 is 2.
Definition: A factor is a divisor - a number that will evenly divide into another number. The common factors of two or more numbers are all the factors that the numbers have in common. The greatest common factor of two or more numbers is the largest factor that the numbers have in common.
Methods:
One way to determine the common factors and greatest common factor is to find all the factors of the numbers and compare them.
The factors of 4 are 1, 2, and 4.
The factors of 18 are 1, 2, 3, 6, 9, and 18.
The common factors are 1 and 2; the greatest common factor is 2.
The common factors and greatest common factor can also be calculated by identifying the common prime factors and multiplying them together to identify the greatest common factor, and then taking all the factors of it to determine the common factors.
The prime factors of 4 are 2 and 2.
The prime factors of 18 are 2, 3, and 3.
The prime factors in common are a single 2, so the greatest common factor is 2. The factors of 2 are 1 and 2, which are the common factors.
1 and 2
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What are the common factors of 18 and 36?
The common factors of 18 and 36 are 18,9,6,3,2,1.
What are the common factors of 18 and 72?
Factors of 18 are 1, 18, 2, 9, 3, 6. Factors of 72 are 1, 72, 2, 36, 3, 24, 4, 18, 6, 12, 8, 9. So, Common Factors of both are: 1, 2, 3, 6, and 18. 18 is the GCF.
What are the common factors of 18 20 and 24?
Oh, dude, common factors? That's like when you and your friend both agree on something, right? So, for 18, 20, and 24, the common factors are 1, 2, 3, and 6. It's like finding out they all like the same pizza toppings or something.
What are the highest common factors of 15 ad 18?
Common factors of 15 and 18 are: 1 and 3.
What are the common factors of 8 20 and 36?
The common factors of 8, 20, and 36 are the numbers that can divide each of these numbers without leaving a remainder. The factors of 8 are 1, 2, 4, and 8. The factors of 20 are 1, 2, 4, 5, 10, and 20. The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36. The common factors of 8, 20, and 36 are 1, 2, and 4.
