Greatest Common Factor of 28, 23, 53, 68

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

• Greatest Common Factor of 28, 23, 53, 68 by common division method
• Greatest Common Factor of 28, 23, 53, 68 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 28

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

1,2,4,7,14,28

Factors of 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

Factors of 53

List of positive integer factors of 53 that divides 53 without a remainder.

1,53

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Greatest Common Factor

We found the factors 28,23,53,68 . The biggest common factor number is the GCF number.
So the greatest common factor 28,23,53,68 is 1.

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

• GCF of 52, 93, 33, 78
• GCF of 60, 86, 44, 44
• GCF of 65, 99, 33, 14
• GCF of 91, 86, 20, 60
• GCF of 60, 29, 84, 21

1. What is the GCF of 28, 23, 53, 68?

Answer: GCF of 28, 23, 53, 68 is 1.

2. How to Find the GCF of 28, 23, 53, 68

Answer: Greatest Common Factor(GCF) of 28, 23, 53, 68 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 23, 53, 68) = 1.