Greatest Common Factor of 27, 31, 78, 32, 72

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

• Greatest Common Factor of 27, 31, 78, 32, 72 by common division method
• Greatest Common Factor of 27, 31, 78, 32, 72 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 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 31

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

1,31

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 32

List of positive integer factors of 32 that divides 32 without a remainder.

1,2,4,8,16,32

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

Greatest Common Factor

We found the factors 27,31,78,32,72 . The biggest common factor number is the GCF number.
So the greatest common factor 27,31,78,32,72 is 1.

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

• GCF of 12, 62, 48, 10, 11
• GCF of 18, 65, 76, 73, 51
• GCF of 50, 58, 62, 53, 15
• GCF of 31, 98, 21, 15, 57
• GCF of 12, 16, 56, 24, 69

1. What is the GCF of 27, 31, 78, 32, 72?

Answer: GCF of 27, 31, 78, 32, 72 is 1.

2. How to Find the GCF of 27, 31, 78, 32, 72

Answer: Greatest Common Factor(GCF) of 27, 31, 78, 32, 72 = 1

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

Step 2: Then multiply all the prime factors GCF(27, 31, 78, 32, 72) = 1.