Greatest Common Factor of 28, 51, 74, 3, 56

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

• Greatest Common Factor of 28, 51, 74, 3, 56 by common division method
• Greatest Common Factor of 28, 51, 74, 3, 56 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 51

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

1,3,17,51

Factors of 74

List of positive integer factors of 74 that divides 74 without a remainder.

1,2,37,74

Factors of 3

List of positive integer factors of 3 that divides 3 without a remainder.

1,3

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Greatest Common Factor

We found the factors 28,51,74,3,56 . The biggest common factor number is the GCF number.
So the greatest common factor 28,51,74,3,56 is 1.

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

• GCF of 84, 48, 75, 8, 87
• GCF of 57, 21, 49, 9, 35
• GCF of 74, 85, 88, 1, 46
• GCF of 75, 94, 80, 3, 49
• GCF of 28, 85, 20, 2, 20

1. What is the GCF of 28, 51, 74, 3, 56?

Answer: GCF of 28, 51, 74, 3, 56 is 1.

2. How to Find the GCF of 28, 51, 74, 3, 56

Answer: Greatest Common Factor(GCF) of 28, 51, 74, 3, 56 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 51, 74, 3, 56) = 1.