Greatest Common Factor of 420, 636, 442

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

• Greatest Common Factor of 420, 636, 442 by common division method
• Greatest Common Factor of 420, 636, 442 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 = 2

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 636

List of positive integer factors of 636 that divides 636 without a remainder.

1,2,3,4,6,12,53,106,159,212,318,636

Factors of 442

List of positive integer factors of 442 that divides 442 without a remainder.

1,2,13,17,26,34,221,442

Greatest Common Factor

We found the factors 420,636,442 . The biggest common factor number is the GCF number.
So the greatest common factor 420,636,442 is 2.

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

• GCF of 204, 454, 805
• GCF of 130, 583, 310
• GCF of 470, 996, 132
• GCF of 219, 418, 805
• GCF of 481, 144, 195

1. What is the GCF of 420, 636, 442?

Answer: GCF of 420, 636, 442 is 2.

2. How to Find the GCF of 420, 636, 442

Answer: Greatest Common Factor(GCF) of 420, 636, 442 = 2

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

Step 2: Then multiply all the prime factors GCF(420, 636, 442) = 2.