Greatest Common Factor of 98, 91, 19, 71, 55

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

• Greatest Common Factor of 98, 91, 19, 71, 55 by common division method
• Greatest Common Factor of 98, 91, 19, 71, 55 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 98

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

1,2,7,14,49,98

Factors of 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

Factors of 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 55

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

1,5,11,55

Greatest Common Factor

We found the factors 98,91,19,71,55 . The biggest common factor number is the GCF number.
So the greatest common factor 98,91,19,71,55 is 1.

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

• GCF of 48, 20, 27, 98, 39
• GCF of 52, 18, 36, 42, 43
• GCF of 65, 62, 51, 70, 68
• GCF of 74, 59, 55, 97, 51
• GCF of 71, 49, 81, 82, 60

1. What is the GCF of 98, 91, 19, 71, 55?

Answer: GCF of 98, 91, 19, 71, 55 is 1.

2. How to Find the GCF of 98, 91, 19, 71, 55

Answer: Greatest Common Factor(GCF) of 98, 91, 19, 71, 55 = 1

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

Step 2: Then multiply all the prime factors GCF(98, 91, 19, 71, 55) = 1.