Greatest Common Factor of 20, 76, 10, 85

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

• Greatest Common Factor of 20, 76, 10, 85 by common division method
• Greatest Common Factor of 20, 76, 10, 85 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 20

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

1,2,4,5,10,20

Factors of 76

List of positive integer factors of 76 that divides 76 without a remainder.

1,2,4,19,38,76

Factors of 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 85

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

1,5,17,85

Greatest Common Factor

We found the factors 20,76,10,85 . The biggest common factor number is the GCF number.
So the greatest common factor 20,76,10,85 is 1.

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

• GCF of 89, 45, 13, 67
• GCF of 57, 58, 32, 39
• GCF of 30, 49, 50, 15
• GCF of 99, 18, 34, 13
• GCF of 71, 85, 60, 20

1. What is the GCF of 20, 76, 10, 85?

Answer: GCF of 20, 76, 10, 85 is 1.

2. How to Find the GCF of 20, 76, 10, 85

Answer: Greatest Common Factor(GCF) of 20, 76, 10, 85 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 76, 10, 85) = 1.