Greatest Common Factor of 420, 798, 660

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

• Greatest Common Factor of 420, 798, 660 by common division method
• Greatest Common Factor of 420, 798, 660 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 2 x 3 = 6

Factors of 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Factors of 798

List of positive integer factors of 798 that divides 798 without a remainder.

1,2,3,6,7,14,19,21,38,42,57,114,133,266,399,798

Factors of 660

List of positive integer factors of 660 that divides 660 without a remainder.

1,2,3,4,5,6,10,11,12,15,20,22,30,33,44,55,60,66,110,132,165,220,330,660

Greatest Common Factor

We found the factors 420,798,660 . The biggest common factor number is the GCF number.
So the greatest common factor 420,798,660 is 6.

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

• GCF of 184, 179, 188
• GCF of 986, 296, 595
• GCF of 839, 391, 937
• GCF of 931, 349, 633
• GCF of 382, 603, 787

1. What is the GCF of 420, 798, 660?

Answer: GCF of 420, 798, 660 is 6.

2. How to Find the GCF of 420, 798, 660

Answer: Greatest Common Factor(GCF) of 420, 798, 660 = 6

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

Step 2: Then multiply all the prime factors GCF(420, 798, 660) = 6.