Greatest Common Factor of 18, 55, 51, 169

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

• Greatest Common Factor of 18, 55, 51, 169 by common division method
• Greatest Common Factor of 18, 55, 51, 169 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 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 169

List of positive integer factors of 169 that divides 169 without a remainder.

1,13,169

Greatest Common Factor

We found the factors 18,55,51,169 . The biggest common factor number is the GCF number.
So the greatest common factor 18,55,51,169 is 1.

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

• GCF of 91, 26, 44, 507
• GCF of 94, 74, 30, 331
• GCF of 64, 80, 63, 931
• GCF of 94, 86, 97, 406
• GCF of 47, 29, 95, 439

1. What is the GCF of 18, 55, 51, 169?

Answer: GCF of 18, 55, 51, 169 is 1.

2. How to Find the GCF of 18, 55, 51, 169

Answer: Greatest Common Factor(GCF) of 18, 55, 51, 169 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 55, 51, 169) = 1.