Greatest Common Factor of 20, 56, 90, 73

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

• Greatest Common Factor of 20, 56, 90, 73 by common division method
• Greatest Common Factor of 20, 56, 90, 73 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 56

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

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

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 73

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

1,73

Greatest Common Factor

We found the factors 20,56,90,73 . The biggest common factor number is the GCF number.
So the greatest common factor 20,56,90,73 is 1.

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

• GCF of 50, 15, 97, 62
• GCF of 95, 98, 17, 26
• GCF of 50, 96, 82, 80
• GCF of 13, 50, 66, 37
• GCF of 37, 67, 84, 77

1. What is the GCF of 20, 56, 90, 73?

Answer: GCF of 20, 56, 90, 73 is 1.

2. How to Find the GCF of 20, 56, 90, 73

Answer: Greatest Common Factor(GCF) of 20, 56, 90, 73 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 56, 90, 73) = 1.