Greatest Common Factor of 72, 10, 84, 18, 31

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

• Greatest Common Factor of 72, 10, 84, 18, 31 by common division method
• Greatest Common Factor of 72, 10, 84, 18, 31 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 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 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 31

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

1,31

Greatest Common Factor

We found the factors 72,10,84,18,31 . The biggest common factor number is the GCF number.
So the greatest common factor 72,10,84,18,31 is 1.

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

• GCF of 44, 90, 29, 70, 34
• GCF of 74, 90, 88, 50, 44
• GCF of 20, 96, 60, 60, 44
• GCF of 76, 43, 89, 99, 56
• GCF of 26, 16, 54, 19, 46

1. What is the GCF of 72, 10, 84, 18, 31?

Answer: GCF of 72, 10, 84, 18, 31 is 1.

2. How to Find the GCF of 72, 10, 84, 18, 31

Answer: Greatest Common Factor(GCF) of 72, 10, 84, 18, 31 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 10, 84, 18, 31) = 1.