Greatest Common Factor of 18, 39, 693

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

• Greatest Common Factor of 18, 39, 693 by common division method
• Greatest Common Factor of 18, 39, 693 with matching the biggest common factor

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

Factors of 18

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

1,2,3,6,9,18

Factors of 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 693

List of positive integer factors of 693 that divides 693 without a remainder.

1,3,7,9,11,21,33,63,77,99,231,693

Greatest Common Factor

We found the factors 18,39,693 . The biggest common factor number is the GCF number.
So the greatest common factor 18,39,693 is 3.

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

• GCF of 86, 97, 759
• GCF of 81, 64, 549
• GCF of 43, 30, 791
• GCF of 12, 94, 331
• GCF of 86, 51, 474

1. What is the GCF of 18, 39, 693?

Answer: GCF of 18, 39, 693 is 3.

2. How to Find the GCF of 18, 39, 693

Answer: Greatest Common Factor(GCF) of 18, 39, 693 = 3

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

Step 2: Then multiply all the prime factors GCF(18, 39, 693) = 3.