Greatest Common Factor of 123, 500, 18

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

• Greatest Common Factor of 123, 500, 18 by common division method
• Greatest Common Factor of 123, 500, 18 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 123

List of positive integer factors of 123 that divides 123 without a remainder.

1,3,41,123

Factors of 500

List of positive integer factors of 500 that divides 500 without a remainder.

1,2,4,5,10,20,25,50,100,125,250,500

Factors of 18

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

1,2,3,6,9,18

Greatest Common Factor

We found the factors 123,500,18 . The biggest common factor number is the GCF number.
So the greatest common factor 123,500,18 is 1.

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

• GCF of 555, 631, 60
• GCF of 195, 401, 38
• GCF of 148, 665, 12
• GCF of 625, 743, 65
• GCF of 666, 501, 38

1. What is the GCF of 123, 500, 18?

Answer: GCF of 123, 500, 18 is 1.

2. How to Find the GCF of 123, 500, 18

Answer: Greatest Common Factor(GCF) of 123, 500, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(123, 500, 18) = 1.