Greatest Common Factor of 774, 309, 621

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

• Greatest Common Factor of 774, 309, 621 by common division method
• Greatest Common Factor of 774, 309, 621 with matching the biggest common factor

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

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 309

List of positive integer factors of 309 that divides 309 without a remainder.

1,3,103,309

Factors of 621

List of positive integer factors of 621 that divides 621 without a remainder.

1,3,9,23,27,69,207,621

Greatest Common Factor

We found the factors 774,309,621 . The biggest common factor number is the GCF number.
So the greatest common factor 774,309,621 is 3.

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

• GCF of 971, 580, 491
• GCF of 733, 565, 150
• GCF of 865, 704, 631
• GCF of 238, 104, 483
• GCF of 177, 269, 581

1. What is the GCF of 774, 309, 621?

Answer: GCF of 774, 309, 621 is 3.

2. How to Find the GCF of 774, 309, 621

Answer: Greatest Common Factor(GCF) of 774, 309, 621 = 3

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

Step 2: Then multiply all the prime factors GCF(774, 309, 621) = 3.