Greatest Common Factor of 48, 21, 18, 218

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

• Greatest Common Factor of 48, 21, 18, 218 by common division method
• Greatest Common Factor of 48, 21, 18, 218 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 48

List of positive integer factors of 48 that divides 48 without a remainder.

1,2,3,4,6,8,12,16,24,48

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 18

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

1,2,3,6,9,18

Factors of 218

List of positive integer factors of 218 that divides 218 without a remainder.

1,2,109,218

Greatest Common Factor

We found the factors 48,21,18,218 . The biggest common factor number is the GCF number.
So the greatest common factor 48,21,18,218 is 1.

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

• GCF of 57, 53, 36, 464
• GCF of 35, 48, 56, 306
• GCF of 29, 87, 42, 164
• GCF of 63, 76, 60, 335
• GCF of 46, 62, 67, 773

1. What is the GCF of 48, 21, 18, 218?

Answer: GCF of 48, 21, 18, 218 is 1.

2. How to Find the GCF of 48, 21, 18, 218

Answer: Greatest Common Factor(GCF) of 48, 21, 18, 218 = 1

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

Step 2: Then multiply all the prime factors GCF(48, 21, 18, 218) = 1.