Greatest Common Factor of 19, 34, 10, 28

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

• Greatest Common Factor of 19, 34, 10, 28 by common division method
• Greatest Common Factor of 19, 34, 10, 28 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 34

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

1,2,17,34

Factors of 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Greatest Common Factor

We found the factors 19,34,10,28 . The biggest common factor number is the GCF number.
So the greatest common factor 19,34,10,28 is 1.

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

• GCF of 66, 79, 35, 44
• GCF of 60, 59, 61, 35
• GCF of 40, 82, 77, 11
• GCF of 96, 66, 10, 50
• GCF of 77, 75, 33, 20

1. What is the GCF of 19, 34, 10, 28?

Answer: GCF of 19, 34, 10, 28 is 1.

2. How to Find the GCF of 19, 34, 10, 28

Answer: Greatest Common Factor(GCF) of 19, 34, 10, 28 = 1

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

Step 2: Then multiply all the prime factors GCF(19, 34, 10, 28) = 1.