Greatest Common Factor of 18, 49, 78, 539

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

• Greatest Common Factor of 18, 49, 78, 539 by common division method
• Greatest Common Factor of 18, 49, 78, 539 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 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

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 539

List of positive integer factors of 539 that divides 539 without a remainder.

1,7,11,49,77,539

Greatest Common Factor

We found the factors 18,49,78,539 . The biggest common factor number is the GCF number.
So the greatest common factor 18,49,78,539 is 1.

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

• GCF of 84, 92, 70, 629
• GCF of 48, 58, 34, 971
• GCF of 90, 51, 22, 577
• GCF of 64, 81, 16, 896
• GCF of 71, 54, 46, 982

1. What is the GCF of 18, 49, 78, 539?

Answer: GCF of 18, 49, 78, 539 is 1.

2. How to Find the GCF of 18, 49, 78, 539

Answer: Greatest Common Factor(GCF) of 18, 49, 78, 539 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 49, 78, 539) = 1.