Greatest Common Factor of 18, 63, 19, 816

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

• Greatest Common Factor of 18, 63, 19, 816 by common division method
• Greatest Common Factor of 18, 63, 19, 816 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 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

Factors of 816

List of positive integer factors of 816 that divides 816 without a remainder.

1,2,3,4,6,8,12,16,17,24,34,48,51,68,102,136,204,272,408,816

Greatest Common Factor

We found the factors 18,63,19,816 . The biggest common factor number is the GCF number.
So the greatest common factor 18,63,19,816 is 1.

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

• GCF of 44, 30, 50, 477
• GCF of 15, 28, 45, 649
• GCF of 93, 34, 49, 187
• GCF of 97, 12, 64, 350
• GCF of 31, 87, 83, 640

1. What is the GCF of 18, 63, 19, 816?

Answer: GCF of 18, 63, 19, 816 is 1.

2. How to Find the GCF of 18, 63, 19, 816

Answer: Greatest Common Factor(GCF) of 18, 63, 19, 816 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 63, 19, 816) = 1.