Greatest Common Factor of 52, 65, 22, 21

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 52, 65, 22, 21 by common division method
• Greatest Common Factor of 52, 65, 22, 21 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 52

List of positive integer factors of 52 that divides 52 without a remainder.

1,2,4,13,26,52

Factors of 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 22

List of positive integer factors of 22 that divides 22 without a remainder.

1,2,11,22

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Greatest Common Factor

We found the factors 52,65,22,21 . The biggest common factor number is the GCF number.
So the greatest common factor 52,65,22,21 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 82, 71, 36, 94
• GCF of 90, 67, 24, 34
• GCF of 97, 31, 95, 52
• GCF of 32, 49, 53, 40
• GCF of 28, 20, 24, 50

1. What is the GCF of 52, 65, 22, 21?

Answer: GCF of 52, 65, 22, 21 is 1.

2. How to Find the GCF of 52, 65, 22, 21

Answer: Greatest Common Factor(GCF) of 52, 65, 22, 21 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(52, 65, 22, 21) = 1.