Greatest Common Factor of 81, 64, 345

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

• Greatest Common Factor of 81, 64, 345 by common division method
• Greatest Common Factor of 81, 64, 345 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 345

List of positive integer factors of 345 that divides 345 without a remainder.

1,3,5,15,23,69,115,345

Greatest Common Factor

We found the factors 81,64,345 . The biggest common factor number is the GCF number.
So the greatest common factor 81,64,345 is 1.

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

• GCF of 81, 97, 754
• GCF of 33, 51, 675
• GCF of 38, 32, 422
• GCF of 86, 12, 393
• GCF of 39, 69, 227

1. What is the GCF of 81, 64, 345?

Answer: GCF of 81, 64, 345 is 1.

2. How to Find the GCF of 81, 64, 345

Answer: Greatest Common Factor(GCF) of 81, 64, 345 = 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, 345) = 1.