Greatest Common Factor of 855, 745, 18

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

• Greatest Common Factor of 855, 745, 18 by common division method
• Greatest Common Factor of 855, 745, 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 855

List of positive integer factors of 855 that divides 855 without a remainder.

1,3,5,9,15,19,45,57,95,171,285,855

Factors of 745

List of positive integer factors of 745 that divides 745 without a remainder.

1,5,149,745

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 855,745,18 . The biggest common factor number is the GCF number.
So the greatest common factor 855,745,18 is 1.

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

• GCF of 554, 683, 79
• GCF of 469, 612, 16
• GCF of 349, 582, 39
• GCF of 608, 688, 72
• GCF of 585, 760, 43

1. What is the GCF of 855, 745, 18?

Answer: GCF of 855, 745, 18 is 1.

2. How to Find the GCF of 855, 745, 18

Answer: Greatest Common Factor(GCF) of 855, 745, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(855, 745, 18) = 1.