Greatest Common Factor of 679, 138, 28

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

• Greatest Common Factor of 679, 138, 28 by common division method
• Greatest Common Factor of 679, 138, 28 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 679

List of positive integer factors of 679 that divides 679 without a remainder.

1,7,97,679

Factors of 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Factors of 28

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

1,2,4,7,14,28

Greatest Common Factor

We found the factors 679,138,28 . The biggest common factor number is the GCF number.
So the greatest common factor 679,138,28 is 1.

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

• GCF of 770, 750, 60
• GCF of 193, 226, 18
• GCF of 628, 697, 93
• GCF of 197, 961, 20
• GCF of 861, 119, 77

1. What is the GCF of 679, 138, 28?

Answer: GCF of 679, 138, 28 is 1.

2. How to Find the GCF of 679, 138, 28

Answer: Greatest Common Factor(GCF) of 679, 138, 28 = 1

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

Step 2: Then multiply all the prime factors GCF(679, 138, 28) = 1.