Greatest Common Factor of 23, 38, 638, 123

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

• Greatest Common Factor of 23, 38, 638, 123 by common division method
• Greatest Common Factor of 23, 38, 638, 123 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 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

Factors of 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

Factors of 638

List of positive integer factors of 638 that divides 638 without a remainder.

1,2,11,22,29,58,319,638

Factors of 123

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

1,3,41,123

Greatest Common Factor

We found the factors 23,38,638,123 . The biggest common factor number is the GCF number.
So the greatest common factor 23,38,638,123 is 1.

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

• GCF of 60, 30, 292, 577
• GCF of 81, 82, 166, 847
• GCF of 92, 29, 742, 665
• GCF of 22, 88, 540, 484
• GCF of 32, 34, 479, 320

1. What is the GCF of 23, 38, 638, 123?

Answer: GCF of 23, 38, 638, 123 is 1.

2. How to Find the GCF of 23, 38, 638, 123

Answer: Greatest Common Factor(GCF) of 23, 38, 638, 123 = 1

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

Step 2: Then multiply all the prime factors GCF(23, 38, 638, 123) = 1.