Greatest Common Factor of 63, 945, 621

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

• Greatest Common Factor of 63, 945, 621 by common division method
• Greatest Common Factor of 63, 945, 621 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 x 3 = 9

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 945

List of positive integer factors of 945 that divides 945 without a remainder.

1,3,5,7,9,15,21,27,35,45,63,105,135,189,315,945

Factors of 621

List of positive integer factors of 621 that divides 621 without a remainder.

1,3,9,23,27,69,207,621

Greatest Common Factor

We found the factors 63,945,621 . The biggest common factor number is the GCF number.
So the greatest common factor 63,945,621 is 9.

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

• GCF of 49, 506, 876
• GCF of 11, 601, 345
• GCF of 83, 701, 378
• GCF of 22, 549, 339
• GCF of 51, 167, 945

1. What is the GCF of 63, 945, 621?

Answer: GCF of 63, 945, 621 is 9.

2. How to Find the GCF of 63, 945, 621

Answer: Greatest Common Factor(GCF) of 63, 945, 621 = 9

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

Step 2: Then multiply all the prime factors GCF(63, 945, 621) = 9.