Greatest Common Factor of 80, 40, 56, 3, 39

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

• Greatest Common Factor of 80, 40, 56, 3, 39 by common division method
• Greatest Common Factor of 80, 40, 56, 3, 39 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 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 40

List of positive integer factors of 40 that divides 40 without a remainder.

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

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Factors of 3

List of positive integer factors of 3 that divides 3 without a remainder.

1,3

Factors of 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Greatest Common Factor

We found the factors 80,40,56,3,39 . The biggest common factor number is the GCF number.
So the greatest common factor 80,40,56,3,39 is 1.

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

• GCF of 61, 62, 48, 1, 27
• GCF of 66, 61, 59, 4, 62
• GCF of 60, 81, 57, 3, 63
• GCF of 73, 11, 26, 1, 38
• GCF of 67, 48, 79, 2, 36

1. What is the GCF of 80, 40, 56, 3, 39?

Answer: GCF of 80, 40, 56, 3, 39 is 1.

2. How to Find the GCF of 80, 40, 56, 3, 39

Answer: Greatest Common Factor(GCF) of 80, 40, 56, 3, 39 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 40, 56, 3, 39) = 1.