Greatest Common Factor of 81, 189, 197

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

• Greatest Common Factor of 81, 189, 197 by common division method
• Greatest Common Factor of 81, 189, 197 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 189

List of positive integer factors of 189 that divides 189 without a remainder.

1,3,7,9,21,27,63,189

Factors of 197

List of positive integer factors of 197 that divides 197 without a remainder.

1,197

Greatest Common Factor

We found the factors 81,189,197 . The biggest common factor number is the GCF number.
So the greatest common factor 81,189,197 is 1.

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

• GCF of 27, 119, 155
• GCF of 56, 785, 794
• GCF of 64, 866, 823
• GCF of 84, 407, 162
• GCF of 81, 678, 768

1. What is the GCF of 81, 189, 197?

Answer: GCF of 81, 189, 197 is 1.

2. How to Find the GCF of 81, 189, 197

Answer: Greatest Common Factor(GCF) of 81, 189, 197 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 189, 197) = 1.