Greatest Common Factor of 420, 450, 57

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

• Greatest Common Factor of 420, 450, 57 by common division method
• Greatest Common Factor of 420, 450, 57 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 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 450

List of positive integer factors of 450 that divides 450 without a remainder.

1,2,3,5,6,9,10,15,18,25,30,45,50,75,90,150,225,450

Factors of 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Greatest Common Factor

We found the factors 420,450,57 . The biggest common factor number is the GCF number.
So the greatest common factor 420,450,57 is 3.

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

• GCF of 742, 573, 26
• GCF of 642, 281, 30
• GCF of 485, 943, 26
• GCF of 262, 311, 75
• GCF of 133, 871, 13

1. What is the GCF of 420, 450, 57?

Answer: GCF of 420, 450, 57 is 3.

2. How to Find the GCF of 420, 450, 57

Answer: Greatest Common Factor(GCF) of 420, 450, 57 = 3

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

Step 2: Then multiply all the prime factors GCF(420, 450, 57) = 3.