Greatest Common Factor of 15, 51, 798

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

• Greatest Common Factor of 15, 51, 798 by common division method
• Greatest Common Factor of 15, 51, 798 with matching the biggest common factor

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

Factors of 15

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

1,3,5,15

Factors of 51

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

1,3,17,51

Factors of 798

List of positive integer factors of 798 that divides 798 without a remainder.

1,2,3,6,7,14,19,21,38,42,57,114,133,266,399,798

Greatest Common Factor

We found the factors 15,51,798 . The biggest common factor number is the GCF number.
So the greatest common factor 15,51,798 is 3.

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

• GCF of 25, 83, 873
• GCF of 33, 40, 685
• GCF of 26, 22, 707
• GCF of 58, 48, 270
• GCF of 65, 47, 219

1. What is the GCF of 15, 51, 798?

Answer: GCF of 15, 51, 798 is 3.

2. How to Find the GCF of 15, 51, 798

Answer: Greatest Common Factor(GCF) of 15, 51, 798 = 3

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

Step 2: Then multiply all the prime factors GCF(15, 51, 798) = 3.