Greatest Common Factor of 28, 89, 44, 680

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

• Greatest Common Factor of 28, 89, 44, 680 by common division method
• Greatest Common Factor of 28, 89, 44, 680 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 89

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

1,89

Factors of 44

List of positive integer factors of 44 that divides 44 without a remainder.

1,2,4,11,22,44

Factors of 680

List of positive integer factors of 680 that divides 680 without a remainder.

1,2,4,5,8,10,17,20,34,40,68,85,136,170,340,680

Greatest Common Factor

We found the factors 28,89,44,680 . The biggest common factor number is the GCF number.
So the greatest common factor 28,89,44,680 is 1.

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

• GCF of 65, 56, 80, 444
• GCF of 23, 16, 21, 978
• GCF of 97, 45, 72, 141
• GCF of 91, 67, 68, 839
• GCF of 20, 38, 24, 487

1. What is the GCF of 28, 89, 44, 680?

Answer: GCF of 28, 89, 44, 680 is 1.

2. How to Find the GCF of 28, 89, 44, 680

Answer: Greatest Common Factor(GCF) of 28, 89, 44, 680 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 89, 44, 680) = 1.