Greatest Common Factor of 620, 399, 438

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

• Greatest Common Factor of 620, 399, 438 by common division method
• Greatest Common Factor of 620, 399, 438 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 620

List of positive integer factors of 620 that divides 620 without a remainder.

1,2,4,5,10,20,31,62,124,155,310,620

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 438

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

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

Greatest Common Factor

We found the factors 620,399,438 . The biggest common factor number is the GCF number.
So the greatest common factor 620,399,438 is 1.

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

• GCF of 183, 667, 192
• GCF of 229, 280, 944
• GCF of 550, 965, 991
• GCF of 714, 478, 584
• GCF of 992, 181, 361

1. What is the GCF of 620, 399, 438?

Answer: GCF of 620, 399, 438 is 1.

2. How to Find the GCF of 620, 399, 438

Answer: Greatest Common Factor(GCF) of 620, 399, 438 = 1

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

Step 2: Then multiply all the prime factors GCF(620, 399, 438) = 1.