Greatest Common Factor of 81, 64, 423

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

• Greatest Common Factor of 81, 64, 423 by common division method
• Greatest Common Factor of 81, 64, 423 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 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Factors of 423

List of positive integer factors of 423 that divides 423 without a remainder.

1,3,9,47,141,423

Greatest Common Factor

We found the factors 81,64,423 . The biggest common factor number is the GCF number.
So the greatest common factor 81,64,423 is 1.

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

• GCF of 20, 71, 351
• GCF of 94, 54, 536
• GCF of 36, 34, 304
• GCF of 75, 59, 665
• GCF of 70, 96, 302

1. What is the GCF of 81, 64, 423?

Answer: GCF of 81, 64, 423 is 1.

2. How to Find the GCF of 81, 64, 423

Answer: Greatest Common Factor(GCF) of 81, 64, 423 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 64, 423) = 1.