Greatest Common Factor of 98, 15, 81, 93, 86

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

• Greatest Common Factor of 98, 15, 81, 93, 86 by common division method
• Greatest Common Factor of 98, 15, 81, 93, 86 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 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 93

List of positive integer factors of 93 that divides 93 without a remainder.

1,3,31,93

Factors of 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

Greatest Common Factor

We found the factors 98,15,81,93,86 . The biggest common factor number is the GCF number.
So the greatest common factor 98,15,81,93,86 is 1.

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

• GCF of 76, 10, 92, 82, 83
• GCF of 58, 74, 66, 91, 59
• GCF of 83, 69, 87, 59, 12
• GCF of 92, 43, 93, 99, 36
• GCF of 65, 16, 24, 21, 13

1. What is the GCF of 98, 15, 81, 93, 86?

Answer: GCF of 98, 15, 81, 93, 86 is 1.

2. How to Find the GCF of 98, 15, 81, 93, 86

Answer: Greatest Common Factor(GCF) of 98, 15, 81, 93, 86 = 1

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

Step 2: Then multiply all the prime factors GCF(98, 15, 81, 93, 86) = 1.