Greatest Common Factor of 42, 393, 321

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

• Greatest Common Factor of 42, 393, 321 by common division method
• Greatest Common Factor of 42, 393, 321 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

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

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 393

List of positive integer factors of 393 that divides 393 without a remainder.

1,3,131,393

Factors of 321

List of positive integer factors of 321 that divides 321 without a remainder.

1,3,107,321

Greatest Common Factor

We found the factors 42,393,321 . The biggest common factor number is the GCF number.
So the greatest common factor 42,393,321 is 3.

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

• GCF of 20, 860, 387
• GCF of 91, 991, 437
• GCF of 10, 385, 662
• GCF of 51, 616, 356
• GCF of 92, 113, 913

1. What is the GCF of 42, 393, 321?

Answer: GCF of 42, 393, 321 is 3.

2. How to Find the GCF of 42, 393, 321

Answer: Greatest Common Factor(GCF) of 42, 393, 321 = 3

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

Step 2: Then multiply all the prime factors GCF(42, 393, 321) = 3.