Greatest Common Factor of 42, 549, 810

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

• Greatest Common Factor of 42, 549, 810 by common division method
• Greatest Common Factor of 42, 549, 810 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 549

List of positive integer factors of 549 that divides 549 without a remainder.

1,3,9,61,183,549

Factors of 810

List of positive integer factors of 810 that divides 810 without a remainder.

1,2,3,5,6,9,10,15,18,27,30,45,54,81,90,135,162,270,405,810

Greatest Common Factor

We found the factors 42,549,810 . The biggest common factor number is the GCF number.
So the greatest common factor 42,549,810 is 3.

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

• GCF of 98, 995, 794
• GCF of 76, 883, 509
• GCF of 39, 227, 197
• GCF of 91, 406, 321
• GCF of 40, 495, 145

1. What is the GCF of 42, 549, 810?

Answer: GCF of 42, 549, 810 is 3.

2. How to Find the GCF of 42, 549, 810

Answer: Greatest Common Factor(GCF) of 42, 549, 810 = 3

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

Step 2: Then multiply all the prime factors GCF(42, 549, 810) = 3.