Greatest Common Factor of 64, 69, 28, 109

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

• Greatest Common Factor of 64, 69, 28, 109 by common division method
• Greatest Common Factor of 64, 69, 28, 109 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 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

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 109

List of positive integer factors of 109 that divides 109 without a remainder.

1,109

Greatest Common Factor

We found the factors 64,69,28,109 . The biggest common factor number is the GCF number.
So the greatest common factor 64,69,28,109 is 1.

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

• GCF of 80, 86, 50, 654
• GCF of 23, 43, 83, 372
• GCF of 90, 78, 31, 504
• GCF of 65, 57, 26, 739
• GCF of 35, 72, 17, 924

1. What is the GCF of 64, 69, 28, 109?

Answer: GCF of 64, 69, 28, 109 is 1.

2. How to Find the GCF of 64, 69, 28, 109

Answer: Greatest Common Factor(GCF) of 64, 69, 28, 109 = 1

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

Step 2: Then multiply all the prime factors GCF(64, 69, 28, 109) = 1.