Greatest Common Factor of 21, 60, 18, 363

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

• Greatest Common Factor of 21, 60, 18, 363 by common division method
• Greatest Common Factor of 21, 60, 18, 363 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

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 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 363

List of positive integer factors of 363 that divides 363 without a remainder.

1,3,11,33,121,363

Greatest Common Factor

We found the factors 21,60,18,363 . The biggest common factor number is the GCF number.
So the greatest common factor 21,60,18,363 is 3.

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

• GCF of 90, 87, 26, 299
• GCF of 48, 35, 26, 605
• GCF of 44, 33, 80, 272
• GCF of 79, 83, 42, 190
• GCF of 85, 28, 19, 116

1. What is the GCF of 21, 60, 18, 363?

Answer: GCF of 21, 60, 18, 363 is 3.

2. How to Find the GCF of 21, 60, 18, 363

Answer: Greatest Common Factor(GCF) of 21, 60, 18, 363 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 60, 18, 363) = 3.