Greatest Common Factor of 18, 34, 98, 255

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

• Greatest Common Factor of 18, 34, 98, 255 by common division method
• Greatest Common Factor of 18, 34, 98, 255 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 34

List of positive integer factors of 34 that divides 34 without a remainder.

1,2,17,34

Factors of 98

List of positive integer factors of 98 that divides 98 without a remainder.

1,2,7,14,49,98

Factors of 255

List of positive integer factors of 255 that divides 255 without a remainder.

1,3,5,15,17,51,85,255

Greatest Common Factor

We found the factors 18,34,98,255 . The biggest common factor number is the GCF number.
So the greatest common factor 18,34,98,255 is 1.

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

• GCF of 33, 74, 70, 486
• GCF of 86, 60, 60, 706
• GCF of 19, 36, 55, 301
• GCF of 78, 51, 65, 765
• GCF of 66, 21, 85, 953

1. What is the GCF of 18, 34, 98, 255?

Answer: GCF of 18, 34, 98, 255 is 1.

2. How to Find the GCF of 18, 34, 98, 255

Answer: Greatest Common Factor(GCF) of 18, 34, 98, 255 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 34, 98, 255) = 1.