Greatest Common Factor of 81, 74, 61, 56, 73

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

• Greatest Common Factor of 81, 74, 61, 56, 73 by common division method
• Greatest Common Factor of 81, 74, 61, 56, 73 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 81

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

1,3,9,27,81

Factors of 74

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

1,2,37,74

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 56

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

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

Factors of 73

List of positive integer factors of 73 that divides 73 without a remainder.

1,73

Greatest Common Factor

We found the factors 81,74,61,56,73 . The biggest common factor number is the GCF number.
So the greatest common factor 81,74,61,56,73 is 1.

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

• GCF of 88, 14, 28, 85, 48
• GCF of 90, 59, 86, 70, 85
• GCF of 42, 42, 23, 47, 89
• GCF of 93, 36, 35, 15, 79
• GCF of 37, 72, 99, 65, 89

1. What is the GCF of 81, 74, 61, 56, 73?

Answer: GCF of 81, 74, 61, 56, 73 is 1.

2. How to Find the GCF of 81, 74, 61, 56, 73

Answer: Greatest Common Factor(GCF) of 81, 74, 61, 56, 73 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 74, 61, 56, 73) = 1.