Greatest Common Factor of 98, 81, 10, 61

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

• Greatest Common Factor of 98, 81, 10, 61 by common division method
• Greatest Common Factor of 98, 81, 10, 61 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 81

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

1,3,9,27,81

Factors of 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Greatest Common Factor

We found the factors 98,81,10,61 . The biggest common factor number is the GCF number.
So the greatest common factor 98,81,10,61 is 1.

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

• GCF of 92, 90, 86, 22
• GCF of 87, 16, 70, 72
• GCF of 26, 54, 38, 88
• GCF of 15, 48, 83, 40
• GCF of 22, 38, 92, 96

1. What is the GCF of 98, 81, 10, 61?

Answer: GCF of 98, 81, 10, 61 is 1.

2. How to Find the GCF of 98, 81, 10, 61

Answer: Greatest Common Factor(GCF) of 98, 81, 10, 61 = 1

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

Step 2: Then multiply all the prime factors GCF(98, 81, 10, 61) = 1.