Greatest Common Factor of 21, 378, 326

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

• Greatest Common Factor of 21, 378, 326 by common division method
• Greatest Common Factor of 21, 378, 326 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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 378

List of positive integer factors of 378 that divides 378 without a remainder.

1,2,3,6,7,9,14,18,21,27,42,54,63,126,189,378

Factors of 326

List of positive integer factors of 326 that divides 326 without a remainder.

1,2,163,326

Greatest Common Factor

We found the factors 21,378,326 . The biggest common factor number is the GCF number.
So the greatest common factor 21,378,326 is 1.

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

• GCF of 66, 812, 111
• GCF of 37, 484, 897
• GCF of 20, 378, 467
• GCF of 59, 113, 638
• GCF of 97, 964, 807

1. What is the GCF of 21, 378, 326?

Answer: GCF of 21, 378, 326 is 1.

2. How to Find the GCF of 21, 378, 326

Answer: Greatest Common Factor(GCF) of 21, 378, 326 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 378, 326) = 1.