Greatest Common Factor of 21, 774, 807

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

• Greatest Common Factor of 21, 774, 807 by common division method
• Greatest Common Factor of 21, 774, 807 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 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

Factors of 807

List of positive integer factors of 807 that divides 807 without a remainder.

1,3,269,807

Greatest Common Factor

We found the factors 21,774,807 . The biggest common factor number is the GCF number.
So the greatest common factor 21,774,807 is 3.

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

• GCF of 85, 721, 924
• GCF of 56, 871, 280
• GCF of 69, 947, 676
• GCF of 79, 117, 988
• GCF of 90, 231, 732

1. What is the GCF of 21, 774, 807?

Answer: GCF of 21, 774, 807 is 3.

2. How to Find the GCF of 21, 774, 807

Answer: Greatest Common Factor(GCF) of 21, 774, 807 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 774, 807) = 3.