Greatest Common Factor of 21, 600, 165

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

• Greatest Common Factor of 21, 600, 165 by common division method
• Greatest Common Factor of 21, 600, 165 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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 600

List of positive integer factors of 600 that divides 600 without a remainder.

1,2,3,4,5,6,8,10,12,15,20,24,25,30,40,50,60,75,100,120,150,200,300,600

Factors of 165

List of positive integer factors of 165 that divides 165 without a remainder.

1,3,5,11,15,33,55,165

Greatest Common Factor

We found the factors 21,600,165 . The biggest common factor number is the GCF number.
So the greatest common factor 21,600,165 is 3.

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

• GCF of 21, 225, 971
• GCF of 25, 349, 397
• GCF of 55, 488, 134
• GCF of 19, 145, 640
• GCF of 29, 776, 159

1. What is the GCF of 21, 600, 165?

Answer: GCF of 21, 600, 165 is 3.

2. How to Find the GCF of 21, 600, 165

Answer: Greatest Common Factor(GCF) of 21, 600, 165 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 600, 165) = 3.