Greatest Common Factor of 31, 20, 72, 549

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

• Greatest Common Factor of 31, 20, 72, 549 by common division method
• Greatest Common Factor of 31, 20, 72, 549 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 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

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 549

List of positive integer factors of 549 that divides 549 without a remainder.

1,3,9,61,183,549

Greatest Common Factor

We found the factors 31,20,72,549 . The biggest common factor number is the GCF number.
So the greatest common factor 31,20,72,549 is 1.

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

• GCF of 43, 40, 89, 182
• GCF of 96, 43, 89, 896
• GCF of 13, 19, 22, 321
• GCF of 31, 44, 39, 143
• GCF of 30, 92, 35, 962

1. What is the GCF of 31, 20, 72, 549?

Answer: GCF of 31, 20, 72, 549 is 1.

2. How to Find the GCF of 31, 20, 72, 549

Answer: Greatest Common Factor(GCF) of 31, 20, 72, 549 = 1

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

Step 2: Then multiply all the prime factors GCF(31, 20, 72, 549) = 1.