Greatest Common Factor of 18, 71, 17, 784

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

• Greatest Common Factor of 18, 71, 17, 784 by common division method
• Greatest Common Factor of 18, 71, 17, 784 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 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 784

List of positive integer factors of 784 that divides 784 without a remainder.

1,2,4,7,8,14,16,28,49,56,98,112,196,392,784

Greatest Common Factor

We found the factors 18,71,17,784 . The biggest common factor number is the GCF number.
So the greatest common factor 18,71,17,784 is 1.

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

• GCF of 96, 54, 20, 571
• GCF of 17, 18, 53, 979
• GCF of 98, 13, 65, 556
• GCF of 51, 93, 63, 901
• GCF of 17, 37, 65, 687

1. What is the GCF of 18, 71, 17, 784?

Answer: GCF of 18, 71, 17, 784 is 1.

2. How to Find the GCF of 18, 71, 17, 784

Answer: Greatest Common Factor(GCF) of 18, 71, 17, 784 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 71, 17, 784) = 1.