Greatest Common Factor of 143, 195, 18

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

• Greatest Common Factor of 143, 195, 18 by common division method
• Greatest Common Factor of 143, 195, 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 143

List of positive integer factors of 143 that divides 143 without a remainder.

1,11,13,143

Factors of 195

List of positive integer factors of 195 that divides 195 without a remainder.

1,3,5,13,15,39,65,195

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 143,195,18 . The biggest common factor number is the GCF number.
So the greatest common factor 143,195,18 is 1.

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

• GCF of 450, 910, 81
• GCF of 193, 547, 59
• GCF of 666, 421, 82
• GCF of 584, 820, 40
• GCF of 239, 458, 97

1. What is the GCF of 143, 195, 18?

Answer: GCF of 143, 195, 18 is 1.

2. How to Find the GCF of 143, 195, 18

Answer: Greatest Common Factor(GCF) of 143, 195, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(143, 195, 18) = 1.