Greatest Common Factor of 18, 22, 51, 16

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

• Greatest Common Factor of 18, 22, 51, 16 by common division method
• Greatest Common Factor of 18, 22, 51, 16 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 18

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

1,2,3,6,9,18

Factors of 22

List of positive integer factors of 22 that divides 22 without a remainder.

1,2,11,22

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Greatest Common Factor

We found the factors 18,22,51,16 . The biggest common factor number is the GCF number.
So the greatest common factor 18,22,51,16 is 1.

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

• GCF of 37, 70, 54, 84
• GCF of 12, 65, 31, 69
• GCF of 28, 21, 12, 45
• GCF of 82, 94, 86, 98
• GCF of 28, 27, 51, 70

1. What is the GCF of 18, 22, 51, 16?

Answer: GCF of 18, 22, 51, 16 is 1.

2. How to Find the GCF of 18, 22, 51, 16

Answer: Greatest Common Factor(GCF) of 18, 22, 51, 16 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 22, 51, 16) = 1.