Greatest Common Factor of 18, 75, 38, 815

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

• Greatest Common Factor of 18, 75, 38, 815 by common division method
• Greatest Common Factor of 18, 75, 38, 815 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 18

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

1,2,3,6,9,18

Factors of 75

List of positive integer factors of 75 that divides 75 without a remainder.

1,3,5,15,25,75

Factors of 38

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

1,2,19,38

Factors of 815

List of positive integer factors of 815 that divides 815 without a remainder.

1,5,163,815

Greatest Common Factor

We found the factors 18,75,38,815 . The biggest common factor number is the GCF number.
So the greatest common factor 18,75,38,815 is 1.

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

• GCF of 75, 74, 50, 185
• GCF of 98, 47, 58, 817
• GCF of 18, 31, 10, 314
• GCF of 73, 71, 53, 150
• GCF of 80, 35, 25, 588

1. What is the GCF of 18, 75, 38, 815?

Answer: GCF of 18, 75, 38, 815 is 1.

2. How to Find the GCF of 18, 75, 38, 815

Answer: Greatest Common Factor(GCF) of 18, 75, 38, 815 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 75, 38, 815) = 1.