Greatest Common Factor of 34, 28, 20, 43, 51

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

• Greatest Common Factor of 34, 28, 20, 43, 51 by common division method
• Greatest Common Factor of 34, 28, 20, 43, 51 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 34

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

1,2,17,34

Factors of 28

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

1,2,4,7,14,28

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Greatest Common Factor

We found the factors 34,28,20,43,51 . The biggest common factor number is the GCF number.
So the greatest common factor 34,28,20,43,51 is 1.

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

• GCF of 62, 96, 42, 81, 22
• GCF of 25, 41, 79, 35, 92
• GCF of 81, 90, 98, 11, 26
• GCF of 92, 36, 62, 62, 18
• GCF of 84, 17, 32, 94, 68

1. What is the GCF of 34, 28, 20, 43, 51?

Answer: GCF of 34, 28, 20, 43, 51 is 1.

2. How to Find the GCF of 34, 28, 20, 43, 51

Answer: Greatest Common Factor(GCF) of 34, 28, 20, 43, 51 = 1

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

Step 2: Then multiply all the prime factors GCF(34, 28, 20, 43, 51) = 1.