Greatest Common Factor of 68, 20, 73, 56

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

• Greatest Common Factor of 68, 20, 73, 56 by common division method
• Greatest Common Factor of 68, 20, 73, 56 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 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 20

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

1,2,4,5,10,20

Factors of 73

List of positive integer factors of 73 that divides 73 without a remainder.

1,73

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Greatest Common Factor

We found the factors 68,20,73,56 . The biggest common factor number is the GCF number.
So the greatest common factor 68,20,73,56 is 1.

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

• GCF of 81, 47, 30, 90
• GCF of 77, 38, 69, 80
• GCF of 34, 39, 12, 20
• GCF of 56, 39, 73, 59
• GCF of 73, 79, 16, 74

1. What is the GCF of 68, 20, 73, 56?

Answer: GCF of 68, 20, 73, 56 is 1.

2. How to Find the GCF of 68, 20, 73, 56

Answer: Greatest Common Factor(GCF) of 68, 20, 73, 56 = 1

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

Step 2: Then multiply all the prime factors GCF(68, 20, 73, 56) = 1.