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The GCF of 21 and 25 is 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 21 are 1, 3, 7, and 21.
The factors of 25 are 1, 5, and 25.
The only common factor is 1. Therefore, the greatest common factor is 1, which means the numbers are relatively prime.
The greatest common factor of 21 and 25, is 1.
The factors of 21 are: 1, 3, 7, 21
The factors of 25 are: 1, 5, 25
The common factors are: 1
The GCF is 1.
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What is the greatest common factor of 21 42 and 84?
The GCF is of 21, 42, and 84 is 21.
What is the greatest common factor of 25 and 175?
The greatest common factor of 25 and 175 is 25.
What is the greatest common factor of 25 and 34?
The greatest common factor of 25 and 34 is one.
What is the greatest common factor of 25 and 80?
The greatest common factor of 25 and 80 is 5.
What is the greatest common factor of 75 and 25?
25 is the greatest common factor of 75 and 25. 3 x 25 = 75.
What are the greatest common factor of 21 and 25?
The GCF is 1.
What is the greatest common factor of 20 21 and 25?
The greatest common factor of 20, 21, and 25 is 1. Although 20 and 25 can be divisible by 5, 21 can not. Therefore, the only common factor between these three numbers is 1 and it's the greatest one as well.
What is the greatest common factor of 21 42 and 84?
The GCF is of 21, 42, and 84 is 21.
What is the greatest common factor of 20 21 25?
The GCF is 1.
What are th greatest common factor of 21 and 25?
The GCF is 1.
What is the Greatest common factor of 100 and 25?
The greatest common factor of 25 and 100 is 25.
What are the greatest factors of 15 and 25?
-- The greatest factor of 21 is 21 .-- The greatest factor of 12 is 12 .-- 1, 2, and 3 are factors of both 21 and 12 .-- The greatest common ('same for both') factor is 3 .
Greatest common factor of 25 and 50?
The greatest common factor (GCF) is 25.
What is the greatest common factor of 25 and 175?
The greatest common factor of 25 and 175 is 25.
Find the greatest common factor of 25 and 75?
The greatest common factor (GCF) is 25.
What is the greatest common factor of 25 and 62?
The greatest common factor of 25 and 76 is 1.
What is the greatest common factor of 25 and 34?
The greatest common factor of 25 and 34 is one.
