Greatest Common Factor of 19, 91, 80, 38

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

• Greatest Common Factor of 19, 91, 80, 38 by common division method
• Greatest Common Factor of 19, 91, 80, 38 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 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

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 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

Greatest Common Factor

We found the factors 19,91,80,38 . The biggest common factor number is the GCF number.
So the greatest common factor 19,91,80,38 is 1.

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

• GCF of 41, 29, 15, 38
• GCF of 31, 90, 81, 27
• GCF of 43, 31, 49, 91
• GCF of 10, 77, 90, 40
• GCF of 16, 18, 37, 23

1. What is the GCF of 19, 91, 80, 38?

Answer: GCF of 19, 91, 80, 38 is 1.

2. How to Find the GCF of 19, 91, 80, 38

Answer: Greatest Common Factor(GCF) of 19, 91, 80, 38 = 1

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

Step 2: Then multiply all the prime factors GCF(19, 91, 80, 38) = 1.