Greatest Common Factor of 85, 13, 80, 11

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

• Greatest Common Factor of 85, 13, 80, 11 by common division method
• Greatest Common Factor of 85, 13, 80, 11 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 13

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

1,13

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

Greatest Common Factor

We found the factors 85,13,80,11 . The biggest common factor number is the GCF number.
So the greatest common factor 85,13,80,11 is 1.

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

• GCF of 15, 93, 69, 45
• GCF of 79, 94, 62, 18
• GCF of 95, 25, 63, 83
• GCF of 53, 92, 24, 74
• GCF of 72, 14, 17, 31

1. What is the GCF of 85, 13, 80, 11?

Answer: GCF of 85, 13, 80, 11 is 1.

2. How to Find the GCF of 85, 13, 80, 11

Answer: Greatest Common Factor(GCF) of 85, 13, 80, 11 = 1

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

Step 2: Then multiply all the prime factors GCF(85, 13, 80, 11) = 1.