Greatest Common Factor of 685, 719, 18

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

• Greatest Common Factor of 685, 719, 18 by common division method
• Greatest Common Factor of 685, 719, 18 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 685

List of positive integer factors of 685 that divides 685 without a remainder.

1,5,137,685

Factors of 719

List of positive integer factors of 719 that divides 719 without a remainder.

1,719

Factors of 18

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

1,2,3,6,9,18

Greatest Common Factor

We found the factors 685,719,18 . The biggest common factor number is the GCF number.
So the greatest common factor 685,719,18 is 1.

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

• GCF of 957, 203, 77
• GCF of 216, 451, 94
• GCF of 671, 559, 69
• GCF of 616, 261, 41
• GCF of 941, 134, 23

1. What is the GCF of 685, 719, 18?

Answer: GCF of 685, 719, 18 is 1.

2. How to Find the GCF of 685, 719, 18

Answer: Greatest Common Factor(GCF) of 685, 719, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(685, 719, 18) = 1.