Greatest Common Factor of 18, 98, 34, 991

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

• Greatest Common Factor of 18, 98, 34, 991 by common division method
• Greatest Common Factor of 18, 98, 34, 991 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 98

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

1,2,7,14,49,98

Factors of 34

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

1,2,17,34

Factors of 991

List of positive integer factors of 991 that divides 991 without a remainder.

1,991

Greatest Common Factor

We found the factors 18,98,34,991 . The biggest common factor number is the GCF number.
So the greatest common factor 18,98,34,991 is 1.

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

• GCF of 29, 58, 42, 382
• GCF of 26, 83, 12, 428
• GCF of 52, 42, 36, 581
• GCF of 86, 86, 57, 292
• GCF of 67, 39, 71, 178

1. What is the GCF of 18, 98, 34, 991?

Answer: GCF of 18, 98, 34, 991 is 1.

2. How to Find the GCF of 18, 98, 34, 991

Answer: Greatest Common Factor(GCF) of 18, 98, 34, 991 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 98, 34, 991) = 1.