Greatest Common Factor of 18, 38, 77, 216

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

• Greatest Common Factor of 18, 38, 77, 216 by common division method
• Greatest Common Factor of 18, 38, 77, 216 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 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 216

List of positive integer factors of 216 that divides 216 without a remainder.

1,2,3,4,6,8,9,12,18,24,27,36,54,72,108,216

Greatest Common Factor

We found the factors 18,38,77,216 . The biggest common factor number is the GCF number.
So the greatest common factor 18,38,77,216 is 1.

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

• GCF of 89, 61, 47, 270
• GCF of 33, 43, 39, 976
• GCF of 25, 83, 91, 531
• GCF of 22, 17, 16, 860
• GCF of 86, 44, 47, 480

1. What is the GCF of 18, 38, 77, 216?

Answer: GCF of 18, 38, 77, 216 is 1.

2. How to Find the GCF of 18, 38, 77, 216

Answer: Greatest Common Factor(GCF) of 18, 38, 77, 216 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 38, 77, 216) = 1.