Greatest Common Factor of 21, 56, 83, 738

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

• Greatest Common Factor of 21, 56, 83, 738 by common division method
• Greatest Common Factor of 21, 56, 83, 738 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 21

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

1,3,7,21

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 83

List of positive integer factors of 83 that divides 83 without a remainder.

1,83

Factors of 738

List of positive integer factors of 738 that divides 738 without a remainder.

1,2,3,6,9,18,41,82,123,246,369,738

Greatest Common Factor

We found the factors 21,56,83,738 . The biggest common factor number is the GCF number.
So the greatest common factor 21,56,83,738 is 1.

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

• GCF of 67, 20, 86, 822
• GCF of 54, 89, 41, 526
• GCF of 63, 16, 39, 464
• GCF of 34, 46, 39, 198
• GCF of 32, 26, 55, 991

1. What is the GCF of 21, 56, 83, 738?

Answer: GCF of 21, 56, 83, 738 is 1.

2. How to Find the GCF of 21, 56, 83, 738

Answer: Greatest Common Factor(GCF) of 21, 56, 83, 738 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 56, 83, 738) = 1.