Greatest Common Factor of 18, 51, 15, 516

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

• Greatest Common Factor of 18, 51, 15, 516 by common division method
• Greatest Common Factor of 18, 51, 15, 516 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 18

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

1,2,3,6,9,18

Factors of 51

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

1,3,17,51

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 516

List of positive integer factors of 516 that divides 516 without a remainder.

1,2,3,4,6,12,43,86,129,172,258,516

Greatest Common Factor

We found the factors 18,51,15,516 . The biggest common factor number is the GCF number.
So the greatest common factor 18,51,15,516 is 3.

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

• GCF of 78, 31, 10, 825
• GCF of 24, 87, 63, 586
• GCF of 48, 73, 74, 978
• GCF of 98, 56, 12, 385
• GCF of 66, 67, 72, 706

1. What is the GCF of 18, 51, 15, 516?

Answer: GCF of 18, 51, 15, 516 is 3.

2. How to Find the GCF of 18, 51, 15, 516

Answer: Greatest Common Factor(GCF) of 18, 51, 15, 516 = 3

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

Step 2: Then multiply all the prime factors GCF(18, 51, 15, 516) = 3.