Greatest Common Factor of 21, 921, 774

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

• Greatest Common Factor of 21, 921, 774 by common division method
• Greatest Common Factor of 21, 921, 774 with matching the biggest common factor

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

Factors of 21

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

1,3,7,21

Factors of 921

List of positive integer factors of 921 that divides 921 without a remainder.

1,3,307,921

Factors of 774

List of positive integer factors of 774 that divides 774 without a remainder.

1,2,3,6,9,18,43,86,129,258,387,774

Greatest Common Factor

We found the factors 21,921,774 . The biggest common factor number is the GCF number.
So the greatest common factor 21,921,774 is 3.

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

• GCF of 75, 284, 773
• GCF of 30, 582, 405
• GCF of 41, 390, 978
• GCF of 94, 598, 492
• GCF of 63, 774, 438

1. What is the GCF of 21, 921, 774?

Answer: GCF of 21, 921, 774 is 3.

2. How to Find the GCF of 21, 921, 774

Answer: Greatest Common Factor(GCF) of 21, 921, 774 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 921, 774) = 3.