Greatest Common Factor of 420, 408, 168

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

• Greatest Common Factor of 420, 408, 168 by common division method
• Greatest Common Factor of 420, 408, 168 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 2 x 3 = 12

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 408

List of positive integer factors of 408 that divides 408 without a remainder.

1,2,3,4,6,8,12,17,24,34,51,68,102,136,204,408

Factors of 168

List of positive integer factors of 168 that divides 168 without a remainder.

1,2,3,4,6,7,8,12,14,21,24,28,42,56,84,168

Greatest Common Factor

We found the factors 420,408,168 . The biggest common factor number is the GCF number.
So the greatest common factor 420,408,168 is 12.

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

• GCF of 574, 836, 897
• GCF of 901, 868, 730
• GCF of 946, 657, 815
• GCF of 762, 997, 103
• GCF of 704, 849, 383

1. What is the GCF of 420, 408, 168?

Answer: GCF of 420, 408, 168 is 12.

2. How to Find the GCF of 420, 408, 168

Answer: Greatest Common Factor(GCF) of 420, 408, 168 = 12

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

Step 2: Then multiply all the prime factors GCF(420, 408, 168) = 12.