Greatest Common Factor of 504, 438, 20

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

• Greatest Common Factor of 504, 438, 20 by common division method
• Greatest Common Factor of 504, 438, 20 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 504

List of positive integer factors of 504 that divides 504 without a remainder.

1,2,3,4,6,7,8,9,12,14,18,21,24,28,36,42,56,63,72,84,126,168,252,504

Factors of 438

List of positive integer factors of 438 that divides 438 without a remainder.

1,2,3,6,73,146,219,438

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Greatest Common Factor

We found the factors 504,438,20 . The biggest common factor number is the GCF number.
So the greatest common factor 504,438,20 is 2.

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

• GCF of 730, 180, 63
• GCF of 578, 920, 50
• GCF of 964, 147, 70
• GCF of 794, 995, 65
• GCF of 189, 832, 77

1. What is the GCF of 504, 438, 20?

Answer: GCF of 504, 438, 20 is 2.

2. How to Find the GCF of 504, 438, 20

Answer: Greatest Common Factor(GCF) of 504, 438, 20 = 2

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

Step 2: Then multiply all the prime factors GCF(504, 438, 20) = 2.