Greatest Common Factor of 399, 945, 721

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

• Greatest Common Factor of 399, 945, 721 by common division method
• Greatest Common Factor of 399, 945, 721 with matching the biggest common factor

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∴ So the GCF of the given numbers is 7 = 7

Factors of 399

List of positive integer factors of 399 that divides 399 without a remainder.

1,3,7,19,21,57,133,399

Factors of 945

List of positive integer factors of 945 that divides 945 without a remainder.

1,3,5,7,9,15,21,27,35,45,63,105,135,189,315,945

Factors of 721

List of positive integer factors of 721 that divides 721 without a remainder.

1,7,103,721

Greatest Common Factor

We found the factors 399,945,721 . The biggest common factor number is the GCF number.
So the greatest common factor 399,945,721 is 7.

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

• GCF of 214, 616, 428
• GCF of 429, 796, 726
• GCF of 573, 247, 386
• GCF of 293, 103, 830
• GCF of 133, 384, 774

1. What is the GCF of 399, 945, 721?

Answer: GCF of 399, 945, 721 is 7.

2. How to Find the GCF of 399, 945, 721

Answer: Greatest Common Factor(GCF) of 399, 945, 721 = 7

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

Step 2: Then multiply all the prime factors GCF(399, 945, 721) = 7.