Greatest Common Factor of 69, 64, 78

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

• Greatest Common Factor of 69, 64, 78 by common division method
• Greatest Common Factor of 69, 64, 78 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 69

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

1,3,23,69

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 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Greatest Common Factor

We found the factors 69,64,78 . The biggest common factor number is the GCF number.
So the greatest common factor 69,64,78 is 1.

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

• GCF of 21, 30, 37
• GCF of 60, 12, 92
• GCF of 19, 16, 12
• GCF of 65, 20, 89
• GCF of 47, 87, 92

1. What is the GCF of 69, 64, 78?

Answer: GCF of 69, 64, 78 is 1.

2. How to Find the GCF of 69, 64, 78

Answer: Greatest Common Factor(GCF) of 69, 64, 78 = 1

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

Step 2: Then multiply all the prime factors GCF(69, 64, 78) = 1.