Greatest Common Factor of 363, 528, 21

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

• Greatest Common Factor of 363, 528, 21 by common division method
• Greatest Common Factor of 363, 528, 21 with matching the biggest common factor

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

Factors of 363

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

1,3,11,33,121,363

Factors of 528

List of positive integer factors of 528 that divides 528 without a remainder.

1,2,3,4,6,8,11,12,16,22,24,33,44,48,66,88,132,176,264,528

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 363,528,21 . The biggest common factor number is the GCF number.
So the greatest common factor 363,528,21 is 3.

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

• GCF of 671, 443, 45
• GCF of 396, 434, 77
• GCF of 719, 190, 16
• GCF of 985, 658, 50
• GCF of 620, 863, 88

1. What is the GCF of 363, 528, 21?

Answer: GCF of 363, 528, 21 is 3.

2. How to Find the GCF of 363, 528, 21

Answer: Greatest Common Factor(GCF) of 363, 528, 21 = 3

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

Step 2: Then multiply all the prime factors GCF(363, 528, 21) = 3.