Greatest Common Factor of 83, 21, 28, 872

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

• Greatest Common Factor of 83, 21, 28, 872 by common division method
• Greatest Common Factor of 83, 21, 28, 872 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 83

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

1,83

Factors of 21

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

1,3,7,21

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 872

List of positive integer factors of 872 that divides 872 without a remainder.

1,2,4,8,109,218,436,872

Greatest Common Factor

We found the factors 83,21,28,872 . The biggest common factor number is the GCF number.
So the greatest common factor 83,21,28,872 is 1.

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

• GCF of 12, 77, 13, 439
• GCF of 73, 17, 27, 469
• GCF of 50, 73, 23, 667
• GCF of 27, 53, 18, 303
• GCF of 19, 69, 94, 472

1. What is the GCF of 83, 21, 28, 872?

Answer: GCF of 83, 21, 28, 872 is 1.

2. How to Find the GCF of 83, 21, 28, 872

Answer: Greatest Common Factor(GCF) of 83, 21, 28, 872 = 1

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

Step 2: Then multiply all the prime factors GCF(83, 21, 28, 872) = 1.