Greatest Common Factor of 45, 18, 63, 203

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

• Greatest Common Factor of 45, 18, 63, 203 by common division method
• Greatest Common Factor of 45, 18, 63, 203 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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 203

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

1,7,29,203

Greatest Common Factor

We found the factors 45,18,63,203 . The biggest common factor number is the GCF number.
So the greatest common factor 45,18,63,203 is 1.

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

• GCF of 75, 46, 52, 483
• GCF of 92, 65, 29, 771
• GCF of 38, 26, 52, 368
• GCF of 51, 15, 87, 685
• GCF of 92, 68, 37, 499

1. What is the GCF of 45, 18, 63, 203?

Answer: GCF of 45, 18, 63, 203 is 1.

2. How to Find the GCF of 45, 18, 63, 203

Answer: Greatest Common Factor(GCF) of 45, 18, 63, 203 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 18, 63, 203) = 1.