Greatest Common Factor of 63, 42, 441

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

• Greatest Common Factor of 63, 42, 441 by common division method
• Greatest Common Factor of 63, 42, 441 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 x 7 = 21

Factors of 63

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

1,3,7,9,21,63

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 441

List of positive integer factors of 441 that divides 441 without a remainder.

1,3,7,9,21,49,63,147,441

Greatest Common Factor

We found the factors 63,42,441 . The biggest common factor number is the GCF number.
So the greatest common factor 63,42,441 is 21.

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

• GCF of 25, 73, 641
• GCF of 11, 11, 950
• GCF of 43, 22, 789
• GCF of 49, 58, 377
• GCF of 34, 38, 787

1. What is the GCF of 63, 42, 441?

Answer: GCF of 63, 42, 441 is 21.

2. How to Find the GCF of 63, 42, 441

Answer: Greatest Common Factor(GCF) of 63, 42, 441 = 21

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

Step 2: Then multiply all the prime factors GCF(63, 42, 441) = 21.