Greatest Common Factor of 85, 79, 20, 87, 225

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

• Greatest Common Factor of 85, 79, 20, 87, 225 by common division method
• Greatest Common Factor of 85, 79, 20, 87, 225 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 85

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

1,5,17,85

Factors of 79

List of positive integer factors of 79 that divides 79 without a remainder.

1,79

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 225

List of positive integer factors of 225 that divides 225 without a remainder.

1,3,5,9,15,25,45,75,225

Greatest Common Factor

We found the factors 85,79,20,87,225 . The biggest common factor number is the GCF number.
So the greatest common factor 85,79,20,87,225 is 1.

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

• GCF of 60, 48, 32, 83, 351
• GCF of 37, 77, 30, 51, 817
• GCF of 85, 70, 11, 14, 727
• GCF of 77, 34, 89, 80, 856
• GCF of 64, 73, 64, 45, 128

1. What is the GCF of 85, 79, 20, 87, 225?

Answer: GCF of 85, 79, 20, 87, 225 is 1.

2. How to Find the GCF of 85, 79, 20, 87, 225

Answer: Greatest Common Factor(GCF) of 85, 79, 20, 87, 225 = 1

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

Step 2: Then multiply all the prime factors GCF(85, 79, 20, 87, 225) = 1.