Greatest Common Factor of 66, 27, 643

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

• Greatest Common Factor of 66, 27, 643 by common division method
• Greatest Common Factor of 66, 27, 643 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 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 27

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

1,3,9,27

Factors of 643

List of positive integer factors of 643 that divides 643 without a remainder.

1,643

Greatest Common Factor

We found the factors 66,27,643 . The biggest common factor number is the GCF number.
So the greatest common factor 66,27,643 is 1.

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

• GCF of 83, 62, 869
• GCF of 46, 58, 116
• GCF of 22, 48, 415
• GCF of 80, 79, 202
• GCF of 71, 28, 747

1. What is the GCF of 66, 27, 643?

Answer: GCF of 66, 27, 643 is 1.

2. How to Find the GCF of 66, 27, 643

Answer: Greatest Common Factor(GCF) of 66, 27, 643 = 1

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

Step 2: Then multiply all the prime factors GCF(66, 27, 643) = 1.