Greatest Common Factor of 65, 69, 28, 321

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

• Greatest Common Factor of 65, 69, 28, 321 by common division method
• Greatest Common Factor of 65, 69, 28, 321 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 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Factors of 28

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

1,2,4,7,14,28

Factors of 321

List of positive integer factors of 321 that divides 321 without a remainder.

1,3,107,321

Greatest Common Factor

We found the factors 65,69,28,321 . The biggest common factor number is the GCF number.
So the greatest common factor 65,69,28,321 is 1.

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

• GCF of 70, 34, 90, 432
• GCF of 32, 60, 40, 845
• GCF of 18, 49, 36, 673
• GCF of 78, 64, 54, 955
• GCF of 97, 96, 70, 197

1. What is the GCF of 65, 69, 28, 321?

Answer: GCF of 65, 69, 28, 321 is 1.

2. How to Find the GCF of 65, 69, 28, 321

Answer: Greatest Common Factor(GCF) of 65, 69, 28, 321 = 1

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

Step 2: Then multiply all the prime factors GCF(65, 69, 28, 321) = 1.