Greatest Common Factor of 20, 72, 747

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

• Greatest Common Factor of 20, 72, 747 by common division method
• Greatest Common Factor of 20, 72, 747 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 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 747

List of positive integer factors of 747 that divides 747 without a remainder.

1,3,9,83,249,747

Greatest Common Factor

We found the factors 20,72,747 . The biggest common factor number is the GCF number.
So the greatest common factor 20,72,747 is 1.

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

• GCF of 29, 81, 473
• GCF of 57, 55, 599
• GCF of 15, 85, 708
• GCF of 57, 71, 627
• GCF of 89, 73, 300

1. What is the GCF of 20, 72, 747?

Answer: GCF of 20, 72, 747 is 1.

2. How to Find the GCF of 20, 72, 747

Answer: Greatest Common Factor(GCF) of 20, 72, 747 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 72, 747) = 1.