Greatest Common Factor of 81, 63, 98, 427

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

• Greatest Common Factor of 81, 63, 98, 427 by common division method
• Greatest Common Factor of 81, 63, 98, 427 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 81

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

1,3,9,27,81

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 98

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

1,2,7,14,49,98

Factors of 427

List of positive integer factors of 427 that divides 427 without a remainder.

1,7,61,427

Greatest Common Factor

We found the factors 81,63,98,427 . The biggest common factor number is the GCF number.
So the greatest common factor 81,63,98,427 is 1.

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

• GCF of 47, 70, 48, 686
• GCF of 69, 48, 88, 829
• GCF of 24, 62, 54, 102
• GCF of 20, 63, 72, 949
• GCF of 28, 17, 51, 170

1. What is the GCF of 81, 63, 98, 427?

Answer: GCF of 81, 63, 98, 427 is 1.

2. How to Find the GCF of 81, 63, 98, 427

Answer: Greatest Common Factor(GCF) of 81, 63, 98, 427 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 63, 98, 427) = 1.