Greatest Common Factor of 15, 20, 400

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

• Greatest Common Factor of 15, 20, 400 by common division method
• Greatest Common Factor of 15, 20, 400 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 5 = 5

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 20

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

1,2,4,5,10,20

Factors of 400

List of positive integer factors of 400 that divides 400 without a remainder.

1,2,4,5,8,10,16,20,25,40,50,80,100,200,400

Greatest Common Factor

We found the factors 15,20,400 . The biggest common factor number is the GCF number.
So the greatest common factor 15,20,400 is 5.

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

• GCF of 93, 47, 618
• GCF of 87, 29, 989
• GCF of 81, 28, 218
• GCF of 76, 59, 962
• GCF of 24, 52, 528

1. What is the GCF of 15, 20, 400?

Answer: GCF of 15, 20, 400 is 5.

2. How to Find the GCF of 15, 20, 400

Answer: Greatest Common Factor(GCF) of 15, 20, 400 = 5

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

Step 2: Then multiply all the prime factors GCF(15, 20, 400) = 5.