Greatest Common Factor of 72, 48, 65, 31

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

• Greatest Common Factor of 72, 48, 65, 31 by common division method
• Greatest Common Factor of 72, 48, 65, 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 48

List of positive integer factors of 48 that divides 48 without a remainder.

1,2,3,4,6,8,12,16,24,48

Factors of 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

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 72,48,65,31 . The biggest common factor number is the GCF number.
So the greatest common factor 72,48,65,31 is 1.

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

• GCF of 97, 41, 61, 11
• GCF of 48, 81, 13, 49
• GCF of 43, 87, 23, 90
• GCF of 44, 73, 11, 99
• GCF of 86, 52, 47, 23

1. What is the GCF of 72, 48, 65, 31?

Answer: GCF of 72, 48, 65, 31 is 1.

2. How to Find the GCF of 72, 48, 65, 31

Answer: Greatest Common Factor(GCF) of 72, 48, 65, 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, 48, 65, 31) = 1.