Greatest Common Factor of 321, 821, 218, 820

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

• Greatest Common Factor of 321, 821, 218, 820 by common division method
• Greatest Common Factor of 321, 821, 218, 820 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 321

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

1,3,107,321

Factors of 821

List of positive integer factors of 821 that divides 821 without a remainder.

1,821

Factors of 218

List of positive integer factors of 218 that divides 218 without a remainder.

1,2,109,218

Factors of 820

List of positive integer factors of 820 that divides 820 without a remainder.

1,2,4,5,10,20,41,82,164,205,410,820

Greatest Common Factor

We found the factors 321,821,218,820 . The biggest common factor number is the GCF number.
So the greatest common factor 321,821,218,820 is 1.

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

• GCF of 418, 166, 975, 221
• GCF of 425, 889, 129, 488
• GCF of 189, 663, 143, 360
• GCF of 872, 864, 683, 423
• GCF of 341, 535, 702, 545

1. What is the GCF of 321, 821, 218, 820?

Answer: GCF of 321, 821, 218, 820 is 1.

2. How to Find the GCF of 321, 821, 218, 820

Answer: Greatest Common Factor(GCF) of 321, 821, 218, 820 = 1

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

Step 2: Then multiply all the prime factors GCF(321, 821, 218, 820) = 1.