Greatest Common Factor of 21, 60, 338

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

• Greatest Common Factor of 21, 60, 338 by common division method
• Greatest Common Factor of 21, 60, 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 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

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 21,60,338 . The biggest common factor number is the GCF number.
So the greatest common factor 21,60,338 is 1.

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

• GCF of 84, 42, 599
• GCF of 23, 38, 620
• GCF of 95, 34, 684
• GCF of 12, 75, 271
• GCF of 38, 66, 484

1. What is the GCF of 21, 60, 338?

Answer: GCF of 21, 60, 338 is 1.

2. How to Find the GCF of 21, 60, 338

Answer: Greatest Common Factor(GCF) of 21, 60, 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, 60, 338) = 1.