Greatest Common Factor of 28, 79, 12, 97, 171

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

• Greatest Common Factor of 28, 79, 12, 97, 171 by common division method
• Greatest Common Factor of 28, 79, 12, 97, 171 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 28

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

1,2,4,7,14,28

Factors of 79

List of positive integer factors of 79 that divides 79 without a remainder.

1,79

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 97

List of positive integer factors of 97 that divides 97 without a remainder.

1,97

Factors of 171

List of positive integer factors of 171 that divides 171 without a remainder.

1,3,9,19,57,171

Greatest Common Factor

We found the factors 28,79,12,97,171 . The biggest common factor number is the GCF number.
So the greatest common factor 28,79,12,97,171 is 1.

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

• GCF of 81, 94, 59, 49, 909
• GCF of 58, 48, 21, 99, 830
• GCF of 16, 24, 57, 61, 734
• GCF of 79, 88, 46, 11, 783
• GCF of 64, 52, 11, 81, 158

1. What is the GCF of 28, 79, 12, 97, 171?

Answer: GCF of 28, 79, 12, 97, 171 is 1.

2. How to Find the GCF of 28, 79, 12, 97, 171

Answer: Greatest Common Factor(GCF) of 28, 79, 12, 97, 171 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 79, 12, 97, 171) = 1.