Greatest Common Factor of 57, 81, 84

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

• Greatest Common Factor of 57, 81, 84 by common division method
• Greatest Common Factor of 57, 81, 84 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 57

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

1,3,19,57

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

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 57,81,84 . The biggest common factor number is the GCF number.
So the greatest common factor 57,81,84 is 3.

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

• GCF of 22, 34, 59
• GCF of 37, 31, 52
• GCF of 17, 42, 88
• GCF of 83, 67, 56
• GCF of 62, 25, 56

1. What is the GCF of 57, 81, 84?

Answer: GCF of 57, 81, 84 is 3.

2. How to Find the GCF of 57, 81, 84

Answer: Greatest Common Factor(GCF) of 57, 81, 84 = 3

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

Step 2: Then multiply all the prime factors GCF(57, 81, 84) = 3.