Greatest Common Factor of 20, 97, 79, 23

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

• Greatest Common Factor of 20, 97, 79, 23 by common division method
• Greatest Common Factor of 20, 97, 79, 23 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 97

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

1,97

Factors of 79

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

1,79

Factors of 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

Greatest Common Factor

We found the factors 20,97,79,23 . The biggest common factor number is the GCF number.
So the greatest common factor 20,97,79,23 is 1.

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

• GCF of 81, 60, 42, 19
• GCF of 41, 90, 61, 11
• GCF of 35, 75, 93, 49
• GCF of 19, 27, 14, 73
• GCF of 67, 41, 61, 44

1. What is the GCF of 20, 97, 79, 23?

Answer: GCF of 20, 97, 79, 23 is 1.

2. How to Find the GCF of 20, 97, 79, 23

Answer: Greatest Common Factor(GCF) of 20, 97, 79, 23 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 97, 79, 23) = 1.