Greatest Common Factor of 89, 40, 13, 680

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

• Greatest Common Factor of 89, 40, 13, 680 by common division method
• Greatest Common Factor of 89, 40, 13, 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 89

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

1,89

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

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 89,40,13,680 . The biggest common factor number is the GCF number.
So the greatest common factor 89,40,13,680 is 1.

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

• GCF of 20, 86, 37, 729
• GCF of 61, 15, 94, 620
• GCF of 96, 65, 24, 411
• GCF of 75, 49, 63, 339
• GCF of 30, 28, 38, 855

1. What is the GCF of 89, 40, 13, 680?

Answer: GCF of 89, 40, 13, 680 is 1.

2. How to Find the GCF of 89, 40, 13, 680

Answer: Greatest Common Factor(GCF) of 89, 40, 13, 680 = 1

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

Step 2: Then multiply all the prime factors GCF(89, 40, 13, 680) = 1.