Greatest Common Factor of 69, 28, 66, 18

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

• Greatest Common Factor of 69, 28, 66, 18 by common division method
• Greatest Common Factor of 69, 28, 66, 18 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Factors of 28

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

1,2,4,7,14,28

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Greatest Common Factor

We found the factors 69,28,66,18 . The biggest common factor number is the GCF number.
So the greatest common factor 69,28,66,18 is 1.

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

• GCF of 21, 93, 30, 71
• GCF of 20, 52, 88, 68
• GCF of 44, 18, 20, 92
• GCF of 99, 62, 84, 17
• GCF of 16, 44, 22, 26

1. What is the GCF of 69, 28, 66, 18?

Answer: GCF of 69, 28, 66, 18 is 1.

2. How to Find the GCF of 69, 28, 66, 18

Answer: Greatest Common Factor(GCF) of 69, 28, 66, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(69, 28, 66, 18) = 1.