Greatest Common Factor of 82, 28, 57, 55, 72

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

• Greatest Common Factor of 82, 28, 57, 55, 72 by common division method
• Greatest Common Factor of 82, 28, 57, 55, 72 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 82

List of positive integer factors of 82 that divides 82 without a remainder.

1,2,41,82

Factors of 28

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

1,2,4,7,14,28

Factors of 57

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

1,3,19,57

Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Greatest Common Factor

We found the factors 82,28,57,55,72 . The biggest common factor number is the GCF number.
So the greatest common factor 82,28,57,55,72 is 1.

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

• GCF of 50, 13, 29, 70, 61
• GCF of 95, 85, 65, 82, 40
• GCF of 28, 19, 43, 16, 79
• GCF of 72, 50, 78, 48, 83
• GCF of 48, 48, 48, 56, 66

1. What is the GCF of 82, 28, 57, 55, 72?

Answer: GCF of 82, 28, 57, 55, 72 is 1.

2. How to Find the GCF of 82, 28, 57, 55, 72

Answer: Greatest Common Factor(GCF) of 82, 28, 57, 55, 72 = 1

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

Step 2: Then multiply all the prime factors GCF(82, 28, 57, 55, 72) = 1.