Greatest Common Factor of 721, 438, 399

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

• Greatest Common Factor of 721, 438, 399 by common division method
• Greatest Common Factor of 721, 438, 399 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 721

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

1,7,103,721

Factors of 438

List of positive integer factors of 438 that divides 438 without a remainder.

1,2,3,6,73,146,219,438

Factors of 399

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

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

Greatest Common Factor

We found the factors 721,438,399 . The biggest common factor number is the GCF number.
So the greatest common factor 721,438,399 is 1.

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

• GCF of 972, 346, 852
• GCF of 992, 300, 814
• GCF of 562, 107, 484
• GCF of 763, 171, 538
• GCF of 662, 235, 384

1. What is the GCF of 721, 438, 399?

Answer: GCF of 721, 438, 399 is 1.

2. How to Find the GCF of 721, 438, 399

Answer: Greatest Common Factor(GCF) of 721, 438, 399 = 1

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

Step 2: Then multiply all the prime factors GCF(721, 438, 399) = 1.