Greatest Common Factor of 81, 47, 85, 196

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

• Greatest Common Factor of 81, 47, 85, 196 by common division method
• Greatest Common Factor of 81, 47, 85, 196 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 47

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

1,47

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 196

List of positive integer factors of 196 that divides 196 without a remainder.

1,2,4,7,14,28,49,98,196

Greatest Common Factor

We found the factors 81,47,85,196 . The biggest common factor number is the GCF number.
So the greatest common factor 81,47,85,196 is 1.

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

• GCF of 82, 70, 13, 986
• GCF of 41, 45, 78, 949
• GCF of 77, 82, 90, 905
• GCF of 66, 95, 71, 699
• GCF of 94, 39, 31, 118

1. What is the GCF of 81, 47, 85, 196?

Answer: GCF of 81, 47, 85, 196 is 1.

2. How to Find the GCF of 81, 47, 85, 196

Answer: Greatest Common Factor(GCF) of 81, 47, 85, 196 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 47, 85, 196) = 1.