Greatest Common Factor of 225, 203, 20

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

• Greatest Common Factor of 225, 203, 20 by common division method
• Greatest Common Factor of 225, 203, 20 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 225

List of positive integer factors of 225 that divides 225 without a remainder.

1,3,5,9,15,25,45,75,225

Factors of 203

List of positive integer factors of 203 that divides 203 without a remainder.

1,7,29,203

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 225,203,20 . The biggest common factor number is the GCF number.
So the greatest common factor 225,203,20 is 1.

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

• GCF of 199, 816, 31
• GCF of 183, 831, 83
• GCF of 681, 569, 30
• GCF of 537, 973, 78
• GCF of 658, 963, 25

1. What is the GCF of 225, 203, 20?

Answer: GCF of 225, 203, 20 is 1.

2. How to Find the GCF of 225, 203, 20

Answer: Greatest Common Factor(GCF) of 225, 203, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(225, 203, 20) = 1.