Greatest Common Factor of 80, 65, 31, 219

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

• Greatest Common Factor of 80, 65, 31, 219 by common division method
• Greatest Common Factor of 80, 65, 31, 219 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 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 219

List of positive integer factors of 219 that divides 219 without a remainder.

1,3,73,219

Greatest Common Factor

We found the factors 80,65,31,219 . The biggest common factor number is the GCF number.
So the greatest common factor 80,65,31,219 is 1.

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

• GCF of 28, 39, 72, 781
• GCF of 98, 58, 54, 927
• GCF of 60, 23, 96, 209
• GCF of 53, 18, 66, 406
• GCF of 14, 15, 88, 581

1. What is the GCF of 80, 65, 31, 219?

Answer: GCF of 80, 65, 31, 219 is 1.

2. How to Find the GCF of 80, 65, 31, 219

Answer: Greatest Common Factor(GCF) of 80, 65, 31, 219 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 65, 31, 219) = 1.