Greatest Common Factor of 18, 31, 49, 305

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

• Greatest Common Factor of 18, 31, 49, 305 by common division method
• Greatest Common Factor of 18, 31, 49, 305 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 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Factors of 305

List of positive integer factors of 305 that divides 305 without a remainder.

1,5,61,305

Greatest Common Factor

We found the factors 18,31,49,305 . The biggest common factor number is the GCF number.
So the greatest common factor 18,31,49,305 is 1.

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

• GCF of 74, 27, 43, 895
• GCF of 34, 30, 98, 482
• GCF of 43, 88, 89, 724
• GCF of 97, 60, 76, 834
• GCF of 95, 91, 43, 567

1. What is the GCF of 18, 31, 49, 305?

Answer: GCF of 18, 31, 49, 305 is 1.

2. How to Find the GCF of 18, 31, 49, 305

Answer: Greatest Common Factor(GCF) of 18, 31, 49, 305 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 31, 49, 305) = 1.