Greatest Common Factor of 20, 825, 321

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

• Greatest Common Factor of 20, 825, 321 by common division method
• Greatest Common Factor of 20, 825, 321 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 825

List of positive integer factors of 825 that divides 825 without a remainder.

1,3,5,11,15,25,33,55,75,165,275,825

Factors of 321

List of positive integer factors of 321 that divides 321 without a remainder.

1,3,107,321

Greatest Common Factor

We found the factors 20,825,321 . The biggest common factor number is the GCF number.
So the greatest common factor 20,825,321 is 1.

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

• GCF of 91, 781, 517
• GCF of 49, 713, 855
• GCF of 68, 185, 459
• GCF of 99, 359, 605
• GCF of 89, 677, 386

1. What is the GCF of 20, 825, 321?

Answer: GCF of 20, 825, 321 is 1.

2. How to Find the GCF of 20, 825, 321

Answer: Greatest Common Factor(GCF) of 20, 825, 321 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 825, 321) = 1.