Greatest Common Factor of 43, 56, 13, 72

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

• Greatest Common Factor of 43, 56, 13, 72 by common division method
• Greatest Common Factor of 43, 56, 13, 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 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

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 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

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 43,56,13,72 . The biggest common factor number is the GCF number.
So the greatest common factor 43,56,13,72 is 1.

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

• GCF of 67, 24, 36, 20
• GCF of 87, 58, 87, 77
• GCF of 54, 58, 83, 81
• GCF of 68, 53, 65, 62
• GCF of 76, 63, 12, 38

1. What is the GCF of 43, 56, 13, 72?

Answer: GCF of 43, 56, 13, 72 is 1.

2. How to Find the GCF of 43, 56, 13, 72

Answer: Greatest Common Factor(GCF) of 43, 56, 13, 72 = 1

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

Step 2: Then multiply all the prime factors GCF(43, 56, 13, 72) = 1.