Greatest Common Factor of 15, 22, 85, 89

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

• Greatest Common Factor of 15, 22, 85, 89 by common division method
• Greatest Common Factor of 15, 22, 85, 89 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 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 22

List of positive integer factors of 22 that divides 22 without a remainder.

1,2,11,22

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 89

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

1,89

Greatest Common Factor

We found the factors 15,22,85,89 . The biggest common factor number is the GCF number.
So the greatest common factor 15,22,85,89 is 1.

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

• GCF of 83, 22, 78, 32
• GCF of 70, 68, 10, 32
• GCF of 80, 33, 30, 48
• GCF of 78, 86, 45, 11
• GCF of 51, 16, 34, 11

1. What is the GCF of 15, 22, 85, 89?

Answer: GCF of 15, 22, 85, 89 is 1.

2. How to Find the GCF of 15, 22, 85, 89

Answer: Greatest Common Factor(GCF) of 15, 22, 85, 89 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 22, 85, 89) = 1.