Greatest Common Factor of 420, 378, 441

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

• Greatest Common Factor of 420, 378, 441 by common division method
• Greatest Common Factor of 420, 378, 441 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 x 7 = 21

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 378

List of positive integer factors of 378 that divides 378 without a remainder.

1,2,3,6,7,9,14,18,21,27,42,54,63,126,189,378

Factors of 441

List of positive integer factors of 441 that divides 441 without a remainder.

1,3,7,9,21,49,63,147,441

Greatest Common Factor

We found the factors 420,378,441 . The biggest common factor number is the GCF number.
So the greatest common factor 420,378,441 is 21.

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

• GCF of 128, 789, 248
• GCF of 964, 237, 980
• GCF of 388, 272, 572
• GCF of 122, 984, 593
• GCF of 246, 673, 788

1. What is the GCF of 420, 378, 441?

Answer: GCF of 420, 378, 441 is 21.

2. How to Find the GCF of 420, 378, 441

Answer: Greatest Common Factor(GCF) of 420, 378, 441 = 21

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

Step 2: Then multiply all the prime factors GCF(420, 378, 441) = 21.