Greatest Common Factor of 18, 15, 93, 815

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

• Greatest Common Factor of 18, 15, 93, 815 by common division method
• Greatest Common Factor of 18, 15, 93, 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 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 93

List of positive integer factors of 93 that divides 93 without a remainder.

1,3,31,93

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 18,15,93,815 . The biggest common factor number is the GCF number.
So the greatest common factor 18,15,93,815 is 1.

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

• GCF of 17, 58, 20, 424
• GCF of 75, 48, 18, 353
• GCF of 16, 13, 69, 835
• GCF of 64, 43, 34, 836
• GCF of 36, 73, 13, 976

1. What is the GCF of 18, 15, 93, 815?

Answer: GCF of 18, 15, 93, 815 is 1.

2. How to Find the GCF of 18, 15, 93, 815

Answer: Greatest Common Factor(GCF) of 18, 15, 93, 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, 15, 93, 815) = 1.