Greatest Common Factor of 74, 51, 28, 820

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

• Greatest Common Factor of 74, 51, 28, 820 by common division method
• Greatest Common Factor of 74, 51, 28, 820 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 74

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

1,2,37,74

Factors of 51

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

1,3,17,51

Factors of 28

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

1,2,4,7,14,28

Factors of 820

List of positive integer factors of 820 that divides 820 without a remainder.

1,2,4,5,10,20,41,82,164,205,410,820

Greatest Common Factor

We found the factors 74,51,28,820 . The biggest common factor number is the GCF number.
So the greatest common factor 74,51,28,820 is 1.

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

• GCF of 43, 25, 93, 624
• GCF of 55, 86, 77, 672
• GCF of 64, 85, 70, 596
• GCF of 56, 69, 73, 431
• GCF of 17, 96, 98, 749

1. What is the GCF of 74, 51, 28, 820?

Answer: GCF of 74, 51, 28, 820 is 1.

2. How to Find the GCF of 74, 51, 28, 820

Answer: Greatest Common Factor(GCF) of 74, 51, 28, 820 = 1

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

Step 2: Then multiply all the prime factors GCF(74, 51, 28, 820) = 1.