Greatest Common Factor of 21, 20, 822, 339

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

• Greatest Common Factor of 21, 20, 822, 339 by common division method
• Greatest Common Factor of 21, 20, 822, 339 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 20

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

1,2,4,5,10,20

Factors of 822

List of positive integer factors of 822 that divides 822 without a remainder.

1,2,3,6,137,274,411,822

Factors of 339

List of positive integer factors of 339 that divides 339 without a remainder.

1,3,113,339

Greatest Common Factor

We found the factors 21,20,822,339 . The biggest common factor number is the GCF number.
So the greatest common factor 21,20,822,339 is 1.

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

• GCF of 47, 50, 201, 707
• GCF of 88, 99, 480, 729
• GCF of 74, 18, 957, 243
• GCF of 51, 81, 858, 945
• GCF of 68, 44, 869, 313

1. What is the GCF of 21, 20, 822, 339?

Answer: GCF of 21, 20, 822, 339 is 1.

2. How to Find the GCF of 21, 20, 822, 339

Answer: Greatest Common Factor(GCF) of 21, 20, 822, 339 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 20, 822, 339) = 1.