Greatest Common Factor of 738, 603, 21

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

• Greatest Common Factor of 738, 603, 21 by common division method
• Greatest Common Factor of 738, 603, 21 with matching the biggest common factor

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

Factors of 738

List of positive integer factors of 738 that divides 738 without a remainder.

1,2,3,6,9,18,41,82,123,246,369,738

Factors of 603

List of positive integer factors of 603 that divides 603 without a remainder.

1,3,9,67,201,603

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Greatest Common Factor

We found the factors 738,603,21 . The biggest common factor number is the GCF number.
So the greatest common factor 738,603,21 is 3.

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

• GCF of 479, 127, 94
• GCF of 895, 874, 34
• GCF of 829, 682, 37
• GCF of 216, 178, 47
• GCF of 811, 792, 25

1. What is the GCF of 738, 603, 21?

Answer: GCF of 738, 603, 21 is 3.

2. How to Find the GCF of 738, 603, 21

Answer: Greatest Common Factor(GCF) of 738, 603, 21 = 3

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

Step 2: Then multiply all the prime factors GCF(738, 603, 21) = 3.