Greatest Common Factor of 85, 80, 71, 64

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

• Greatest Common Factor of 85, 80, 71, 64 by common division method
• Greatest Common Factor of 85, 80, 71, 64 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 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 71

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

1,71

Factors of 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Greatest Common Factor

We found the factors 85,80,71,64 . The biggest common factor number is the GCF number.
So the greatest common factor 85,80,71,64 is 1.

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

• GCF of 32, 91, 29, 58
• GCF of 97, 31, 23, 20
• GCF of 31, 81, 15, 43
• GCF of 81, 29, 94, 49
• GCF of 96, 83, 92, 88

1. What is the GCF of 85, 80, 71, 64?

Answer: GCF of 85, 80, 71, 64 is 1.

2. How to Find the GCF of 85, 80, 71, 64

Answer: Greatest Common Factor(GCF) of 85, 80, 71, 64 = 1

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

Step 2: Then multiply all the prime factors GCF(85, 80, 71, 64) = 1.