Greatest Common Factor of 89, 71, 28, 170

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

• Greatest Common Factor of 89, 71, 28, 170 by common division method
• Greatest Common Factor of 89, 71, 28, 170 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 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 28

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

1,2,4,7,14,28

Factors of 170

List of positive integer factors of 170 that divides 170 without a remainder.

1,2,5,10,17,34,85,170

Greatest Common Factor

We found the factors 89,71,28,170 . The biggest common factor number is the GCF number.
So the greatest common factor 89,71,28,170 is 1.

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

• GCF of 51, 65, 85, 744
• GCF of 55, 67, 68, 384
• GCF of 62, 49, 59, 303
• GCF of 92, 27, 99, 307
• GCF of 24, 76, 80, 957

1. What is the GCF of 89, 71, 28, 170?

Answer: GCF of 89, 71, 28, 170 is 1.

2. How to Find the GCF of 89, 71, 28, 170

Answer: Greatest Common Factor(GCF) of 89, 71, 28, 170 = 1

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

Step 2: Then multiply all the prime factors GCF(89, 71, 28, 170) = 1.