Greatest Common Factor of 28, 10, 89, 392

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

• Greatest Common Factor of 28, 10, 89, 392 by common division method
• Greatest Common Factor of 28, 10, 89, 392 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 28

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

1,2,4,7,14,28

Factors of 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

Factors of 392

List of positive integer factors of 392 that divides 392 without a remainder.

1,2,4,7,8,14,28,49,56,98,196,392

Greatest Common Factor

We found the factors 28,10,89,392 . The biggest common factor number is the GCF number.
So the greatest common factor 28,10,89,392 is 1.

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

• GCF of 78, 11, 55, 740
• GCF of 87, 73, 89, 333
• GCF of 50, 88, 83, 268
• GCF of 38, 81, 24, 539
• GCF of 72, 54, 13, 174

1. What is the GCF of 28, 10, 89, 392?

Answer: GCF of 28, 10, 89, 392 is 1.

2. How to Find the GCF of 28, 10, 89, 392

Answer: Greatest Common Factor(GCF) of 28, 10, 89, 392 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 10, 89, 392) = 1.