Greatest Common Factor of 18, 78, 28, 508

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

• Greatest Common Factor of 18, 78, 28, 508 by common division method
• Greatest Common Factor of 18, 78, 28, 508 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 2 = 2

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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 508

List of positive integer factors of 508 that divides 508 without a remainder.

1,2,4,127,254,508

Greatest Common Factor

We found the factors 18,78,28,508 . The biggest common factor number is the GCF number.
So the greatest common factor 18,78,28,508 is 2.

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

• GCF of 34, 73, 52, 684
• GCF of 70, 65, 17, 623
• GCF of 54, 54, 69, 837
• GCF of 68, 34, 74, 585
• GCF of 24, 23, 13, 433

1. What is the GCF of 18, 78, 28, 508?

Answer: GCF of 18, 78, 28, 508 is 2.

2. How to Find the GCF of 18, 78, 28, 508

Answer: Greatest Common Factor(GCF) of 18, 78, 28, 508 = 2

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

Step 2: Then multiply all the prime factors GCF(18, 78, 28, 508) = 2.