Greatest Common Factor of 13, 220, 821

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

• Greatest Common Factor of 13, 220, 821 by common division method
• Greatest Common Factor of 13, 220, 821 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 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 220

List of positive integer factors of 220 that divides 220 without a remainder.

1,2,4,5,10,11,20,22,44,55,110,220

Factors of 821

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

1,821

Greatest Common Factor

We found the factors 13,220,821 . The biggest common factor number is the GCF number.
So the greatest common factor 13,220,821 is 1.

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

• GCF of 63, 346, 227
• GCF of 58, 794, 886
• GCF of 20, 151, 468
• GCF of 79, 798, 734
• GCF of 92, 882, 453

1. What is the GCF of 13, 220, 821?

Answer: GCF of 13, 220, 821 is 1.

2. How to Find the GCF of 13, 220, 821

Answer: Greatest Common Factor(GCF) of 13, 220, 821 = 1

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

Step 2: Then multiply all the prime factors GCF(13, 220, 821) = 1.