Greatest Common Factor of 644, 392, 399

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

• Greatest Common Factor of 644, 392, 399 by common division method
• Greatest Common Factor of 644, 392, 399 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

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

Factors of 644

List of positive integer factors of 644 that divides 644 without a remainder.

1,2,4,7,14,23,28,46,92,161,322,644

Factors of 392

List of positive integer factors of 392 that divides 392 without a remainder.

1,2,4,7,8,14,28,49,56,98,196,392

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 644,392,399 . The biggest common factor number is the GCF number.
So the greatest common factor 644,392,399 is 7.

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

• GCF of 254, 733, 416
• GCF of 982, 338, 468
• GCF of 968, 426, 145
• GCF of 531, 783, 696
• GCF of 659, 588, 107

1. What is the GCF of 644, 392, 399?

Answer: GCF of 644, 392, 399 is 7.

2. How to Find the GCF of 644, 392, 399

Answer: Greatest Common Factor(GCF) of 644, 392, 399 = 7

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

Step 2: Then multiply all the prime factors GCF(644, 392, 399) = 7.