Greatest Common Factor of 28, 71, 68, 628

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

• Greatest Common Factor of 28, 71, 68, 628 by common division method
• Greatest Common Factor of 28, 71, 68, 628 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 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 68

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

1,2,4,17,34,68

Factors of 628

List of positive integer factors of 628 that divides 628 without a remainder.

1,2,4,157,314,628

Greatest Common Factor

We found the factors 28,71,68,628 . The biggest common factor number is the GCF number.
So the greatest common factor 28,71,68,628 is 1.

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

• GCF of 45, 86, 18, 913
• GCF of 66, 92, 21, 500
• GCF of 88, 54, 34, 123
• GCF of 50, 15, 29, 963
• GCF of 41, 74, 30, 845

1. What is the GCF of 28, 71, 68, 628?

Answer: GCF of 28, 71, 68, 628 is 1.

2. How to Find the GCF of 28, 71, 68, 628

Answer: Greatest Common Factor(GCF) of 28, 71, 68, 628 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 71, 68, 628) = 1.