Greatest Common Factor of 678, 681, 18

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

• Greatest Common Factor of 678, 681, 18 by common division method
• Greatest Common Factor of 678, 681, 18 with matching the biggest common factor

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

Factors of 678

List of positive integer factors of 678 that divides 678 without a remainder.

1,2,3,6,113,226,339,678

Factors of 681

List of positive integer factors of 681 that divides 681 without a remainder.

1,3,227,681

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 678,681,18 . The biggest common factor number is the GCF number.
So the greatest common factor 678,681,18 is 3.

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

• GCF of 615, 191, 53
• GCF of 327, 619, 88
• GCF of 198, 482, 67
• GCF of 770, 277, 96
• GCF of 306, 548, 14

1. What is the GCF of 678, 681, 18?

Answer: GCF of 678, 681, 18 is 3.

2. How to Find the GCF of 678, 681, 18

Answer: Greatest Common Factor(GCF) of 678, 681, 18 = 3

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

Step 2: Then multiply all the prime factors GCF(678, 681, 18) = 3.