Greatest Common Factor of 15, 81, 717

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

• Greatest Common Factor of 15, 81, 717 by common division method
• Greatest Common Factor of 15, 81, 717 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 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 717

List of positive integer factors of 717 that divides 717 without a remainder.

1,3,239,717

Greatest Common Factor

We found the factors 15,81,717 . The biggest common factor number is the GCF number.
So the greatest common factor 15,81,717 is 3.

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

• GCF of 60, 24, 331
• GCF of 14, 77, 299
• GCF of 61, 30, 464
• GCF of 92, 95, 977
• GCF of 91, 49, 173

1. What is the GCF of 15, 81, 717?

Answer: GCF of 15, 81, 717 is 3.

2. How to Find the GCF of 15, 81, 717

Answer: Greatest Common Factor(GCF) of 15, 81, 717 = 3

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

Step 2: Then multiply all the prime factors GCF(15, 81, 717) = 3.