Greatest Common Factor of 81, 67, 45, 231

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

• Greatest Common Factor of 81, 67, 45, 231 by common division method
• Greatest Common Factor of 81, 67, 45, 231 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 67

List of positive integer factors of 67 that divides 67 without a remainder.

1,67

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 231

List of positive integer factors of 231 that divides 231 without a remainder.

1,3,7,11,21,33,77,231

Greatest Common Factor

We found the factors 81,67,45,231 . The biggest common factor number is the GCF number.
So the greatest common factor 81,67,45,231 is 1.

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

• GCF of 67, 68, 48, 817
• GCF of 98, 18, 81, 713
• GCF of 94, 57, 44, 852
• GCF of 41, 15, 42, 169
• GCF of 53, 14, 52, 777

1. What is the GCF of 81, 67, 45, 231?

Answer: GCF of 81, 67, 45, 231 is 1.

2. How to Find the GCF of 81, 67, 45, 231

Answer: Greatest Common Factor(GCF) of 81, 67, 45, 231 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 67, 45, 231) = 1.