Greatest Common Factor of 21, 11, 338

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

• Greatest Common Factor of 21, 11, 338 by common division method
• Greatest Common Factor of 21, 11, 338 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 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

Factors of 338

List of positive integer factors of 338 that divides 338 without a remainder.

1,2,13,26,169,338

Greatest Common Factor

We found the factors 21,11,338 . The biggest common factor number is the GCF number.
So the greatest common factor 21,11,338 is 1.

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

• GCF of 13, 46, 274
• GCF of 67, 57, 174
• GCF of 87, 76, 641
• GCF of 49, 62, 866
• GCF of 30, 98, 319

1. What is the GCF of 21, 11, 338?

Answer: GCF of 21, 11, 338 is 1.

2. How to Find the GCF of 21, 11, 338

Answer: Greatest Common Factor(GCF) of 21, 11, 338 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 11, 338) = 1.