Greatest Common Factor of 81, 7, 35, 56

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

• Greatest Common Factor of 81, 7, 35, 56 by common division method
• Greatest Common Factor of 81, 7, 35, 56 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 7

List of positive integer factors of 7 that divides 7 without a remainder.

1,7

Factors of 35

List of positive integer factors of 35 that divides 35 without a remainder.

1,5,7,35

Factors of 56

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

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

Greatest Common Factor

We found the factors 81,7,35,56 . The biggest common factor number is the GCF number.
So the greatest common factor 81,7,35,56 is 1.

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

• GCF of 89, 7, 36, 77
• GCF of 72, 9, 21, 52
• GCF of 96, 4, 56, 57
• GCF of 84, 7, 85, 87
• GCF of 98, 8, 54, 73

1. What is the GCF of 81, 7, 35, 56?

Answer: GCF of 81, 7, 35, 56 is 1.

2. How to Find the GCF of 81, 7, 35, 56

Answer: Greatest Common Factor(GCF) of 81, 7, 35, 56 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 7, 35, 56) = 1.