Greatest Common Factor of 19, 31, 80, 34, 63

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

• Greatest Common Factor of 19, 31, 80, 34, 63 by common division method
• Greatest Common Factor of 19, 31, 80, 34, 63 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 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

Factors of 31

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

1,31

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 34

List of positive integer factors of 34 that divides 34 without a remainder.

1,2,17,34

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Greatest Common Factor

We found the factors 19,31,80,34,63 . The biggest common factor number is the GCF number.
So the greatest common factor 19,31,80,34,63 is 1.

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

• GCF of 82, 98, 96, 88, 95
• GCF of 31, 76, 68, 82, 75
• GCF of 22, 56, 62, 61, 11
• GCF of 15, 76, 70, 77, 82
• GCF of 42, 60, 35, 56, 37

1. What is the GCF of 19, 31, 80, 34, 63?

Answer: GCF of 19, 31, 80, 34, 63 is 1.

2. How to Find the GCF of 19, 31, 80, 34, 63

Answer: Greatest Common Factor(GCF) of 19, 31, 80, 34, 63 = 1

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

Step 2: Then multiply all the prime factors GCF(19, 31, 80, 34, 63) = 1.