Greatest Common Factor of 825, 363, 21

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

• Greatest Common Factor of 825, 363, 21 by common division method
• Greatest Common Factor of 825, 363, 21 with matching the biggest common factor

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

Factors of 825

List of positive integer factors of 825 that divides 825 without a remainder.

1,3,5,11,15,25,33,55,75,165,275,825

Factors of 363

List of positive integer factors of 363 that divides 363 without a remainder.

1,3,11,33,121,363

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 825,363,21 . The biggest common factor number is the GCF number.
So the greatest common factor 825,363,21 is 3.

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

• GCF of 605, 137, 60
• GCF of 516, 162, 44
• GCF of 701, 726, 30
• GCF of 913, 761, 14
• GCF of 747, 911, 81

1. What is the GCF of 825, 363, 21?

Answer: GCF of 825, 363, 21 is 3.

2. How to Find the GCF of 825, 363, 21

Answer: Greatest Common Factor(GCF) of 825, 363, 21 = 3

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

Step 2: Then multiply all the prime factors GCF(825, 363, 21) = 3.