Greatest Common Factor of 57, 47, 28, 84

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

• Greatest Common Factor of 57, 47, 28, 84 by common division method
• Greatest Common Factor of 57, 47, 28, 84 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 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 28

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

1,2,4,7,14,28

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Greatest Common Factor

We found the factors 57,47,28,84 . The biggest common factor number is the GCF number.
So the greatest common factor 57,47,28,84 is 1.

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

• GCF of 21, 53, 79, 60
• GCF of 25, 12, 27, 12
• GCF of 35, 45, 24, 53
• GCF of 45, 92, 73, 20
• GCF of 58, 78, 93, 14

1. What is the GCF of 57, 47, 28, 84?

Answer: GCF of 57, 47, 28, 84 is 1.

2. How to Find the GCF of 57, 47, 28, 84

Answer: Greatest Common Factor(GCF) of 57, 47, 28, 84 = 1

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

Step 2: Then multiply all the prime factors GCF(57, 47, 28, 84) = 1.