Greatest Common Factor of 27, 43, 64, 645

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

• Greatest Common Factor of 27, 43, 64, 645 by common division method
• Greatest Common Factor of 27, 43, 64, 645 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 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

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 645

List of positive integer factors of 645 that divides 645 without a remainder.

1,3,5,15,43,129,215,645

Greatest Common Factor

We found the factors 27,43,64,645 . The biggest common factor number is the GCF number.
So the greatest common factor 27,43,64,645 is 1.

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

• GCF of 14, 82, 29, 979
• GCF of 16, 49, 60, 227
• GCF of 17, 34, 21, 346
• GCF of 73, 78, 64, 908
• GCF of 21, 57, 19, 635

1. What is the GCF of 27, 43, 64, 645?

Answer: GCF of 27, 43, 64, 645 is 1.

2. How to Find the GCF of 27, 43, 64, 645

Answer: Greatest Common Factor(GCF) of 27, 43, 64, 645 = 1

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

Step 2: Then multiply all the prime factors GCF(27, 43, 64, 645) = 1.