Greatest Common Factor of 65, 22, 28, 87

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

• Greatest Common Factor of 65, 22, 28, 87 by common division method
• Greatest Common Factor of 65, 22, 28, 87 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 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Greatest Common Factor

We found the factors 65,22,28,87 . The biggest common factor number is the GCF number.
So the greatest common factor 65,22,28,87 is 1.

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

• GCF of 92, 36, 90, 25
• GCF of 15, 59, 52, 62
• GCF of 24, 84, 63, 17
• GCF of 85, 23, 56, 25
• GCF of 29, 78, 24, 25

1. What is the GCF of 65, 22, 28, 87?

Answer: GCF of 65, 22, 28, 87 is 1.

2. How to Find the GCF of 65, 22, 28, 87

Answer: Greatest Common Factor(GCF) of 65, 22, 28, 87 = 1

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

Step 2: Then multiply all the prime factors GCF(65, 22, 28, 87) = 1.