Greatest Common Factor of 449, 324, 21

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

• Greatest Common Factor of 449, 324, 21 by common division method
• Greatest Common Factor of 449, 324, 21 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 449

List of positive integer factors of 449 that divides 449 without a remainder.

1,449

Factors of 324

List of positive integer factors of 324 that divides 324 without a remainder.

1,2,3,4,6,9,12,18,27,36,54,81,108,162,324

Factors of 21

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

1,3,7,21

Greatest Common Factor

We found the factors 449,324,21 . The biggest common factor number is the GCF number.
So the greatest common factor 449,324,21 is 1.

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

• GCF of 490, 225, 23
• GCF of 263, 662, 60
• GCF of 569, 654, 28
• GCF of 413, 219, 19
• GCF of 154, 883, 89

1. What is the GCF of 449, 324, 21?

Answer: GCF of 449, 324, 21 is 1.

2. How to Find the GCF of 449, 324, 21

Answer: Greatest Common Factor(GCF) of 449, 324, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(449, 324, 21) = 1.