Greatest Common Factor of 18, 78, 39, 272

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

• Greatest Common Factor of 18, 78, 39, 272 by common division method
• Greatest Common Factor of 18, 78, 39, 272 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 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 272

List of positive integer factors of 272 that divides 272 without a remainder.

1,2,4,8,16,17,34,68,136,272

Greatest Common Factor

We found the factors 18,78,39,272 . The biggest common factor number is the GCF number.
So the greatest common factor 18,78,39,272 is 1.

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

• GCF of 89, 41, 90, 949
• GCF of 39, 41, 35, 366
• GCF of 94, 66, 83, 665
• GCF of 65, 11, 32, 905
• GCF of 74, 81, 22, 363

1. What is the GCF of 18, 78, 39, 272?

Answer: GCF of 18, 78, 39, 272 is 1.

2. How to Find the GCF of 18, 78, 39, 272

Answer: Greatest Common Factor(GCF) of 18, 78, 39, 272 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 78, 39, 272) = 1.