Greatest Common Factor of 18, 69, 51, 818

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

• Greatest Common Factor of 18, 69, 51, 818 by common division method
• Greatest Common Factor of 18, 69, 51, 818 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 69

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

1,3,23,69

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 818

List of positive integer factors of 818 that divides 818 without a remainder.

1,2,409,818

Greatest Common Factor

We found the factors 18,69,51,818 . The biggest common factor number is the GCF number.
So the greatest common factor 18,69,51,818 is 1.

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

• GCF of 82, 72, 61, 129
• GCF of 35, 20, 15, 522
• GCF of 76, 70, 16, 987
• GCF of 61, 24, 15, 595
• GCF of 43, 24, 87, 678

1. What is the GCF of 18, 69, 51, 818?

Answer: GCF of 18, 69, 51, 818 is 1.

2. How to Find the GCF of 18, 69, 51, 818

Answer: Greatest Common Factor(GCF) of 18, 69, 51, 818 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 69, 51, 818) = 1.