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Answer: 1
Definition: A factor is a divisor - a number that will evenly divide into another number. The greatest common factor of two or more numbers is the largest factor that the numbers have in common.
Method:
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 7 are 1 and 7.
The factors of 25 are 1, 5, and 25.
The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42.
The only common factor is 1. Therefore, the greatest common factor is 1, which means the numbers are relatively prime.
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What are is the greatest common factor of 28 42 and 63?
The Greatest Common Factor of 28, 42, 63: 7
What is the greatest common factor of 240 and 42?
The Greatest Common Factor (GCF) is: 6
What is the greatest common factor for 42 and 21?
21 itself is the greatest common integral factor, since 21 X 2 = 42.
What is the greatest common factor of 98 42 154?
The greatest common factor (GCF) is: 14.
What is the common factor of 42 and 280?
Greatest common factor of 42 and 280 is 14.
