Greatest Common Factor of 56, 21, 109

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

• Greatest Common Factor of 56, 21, 109 by common division method
• Greatest Common Factor of 56, 21, 109 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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 109

List of positive integer factors of 109 that divides 109 without a remainder.

1,109

Greatest Common Factor

We found the factors 56,21,109 . The biggest common factor number is the GCF number.
So the greatest common factor 56,21,109 is 1.

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

• GCF of 47, 80, 326
• GCF of 15, 21, 977
• GCF of 97, 23, 896
• GCF of 20, 44, 315
• GCF of 34, 29, 214

1. What is the GCF of 56, 21, 109?

Answer: GCF of 56, 21, 109 is 1.

2. How to Find the GCF of 56, 21, 109

Answer: Greatest Common Factor(GCF) of 56, 21, 109 = 1

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

Step 2: Then multiply all the prime factors GCF(56, 21, 109) = 1.