Greatest Common Factor of 56, 72, 31, 51

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

• Greatest Common Factor of 56, 72, 31, 51 by common division method
• Greatest Common Factor of 56, 72, 31, 51 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 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

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 31

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

1,31

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Greatest Common Factor

We found the factors 56,72,31,51 . The biggest common factor number is the GCF number.
So the greatest common factor 56,72,31,51 is 1.

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

• GCF of 30, 57, 68, 90
• GCF of 72, 41, 43, 88
• GCF of 51, 79, 82, 73
• GCF of 14, 50, 95, 14
• GCF of 28, 76, 99, 62

1. What is the GCF of 56, 72, 31, 51?

Answer: GCF of 56, 72, 31, 51 is 1.

2. How to Find the GCF of 56, 72, 31, 51

Answer: Greatest Common Factor(GCF) of 56, 72, 31, 51 = 1

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

Step 2: Then multiply all the prime factors GCF(56, 72, 31, 51) = 1.