Greatest Common Factor of 161, 206, 18

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

• Greatest Common Factor of 161, 206, 18 by common division method
• Greatest Common Factor of 161, 206, 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 161

List of positive integer factors of 161 that divides 161 without a remainder.

1,7,23,161

Factors of 206

List of positive integer factors of 206 that divides 206 without a remainder.

1,2,103,206

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 161,206,18 . The biggest common factor number is the GCF number.
So the greatest common factor 161,206,18 is 1.

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

• GCF of 843, 266, 81
• GCF of 417, 890, 37
• GCF of 577, 338, 74
• GCF of 326, 487, 38
• GCF of 255, 208, 68

1. What is the GCF of 161, 206, 18?

Answer: GCF of 161, 206, 18 is 1.

2. How to Find the GCF of 161, 206, 18

Answer: Greatest Common Factor(GCF) of 161, 206, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(161, 206, 18) = 1.