Greatest Common Factor of 98, 20, 815

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

• Greatest Common Factor of 98, 20, 815 by common division method
• Greatest Common Factor of 98, 20, 815 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 815

List of positive integer factors of 815 that divides 815 without a remainder.

1,5,163,815

Greatest Common Factor

We found the factors 98,20,815 . The biggest common factor number is the GCF number.
So the greatest common factor 98,20,815 is 1.

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

• GCF of 65, 79, 475
• GCF of 77, 30, 540
• GCF of 80, 28, 108
• GCF of 78, 24, 361
• GCF of 52, 33, 123

1. What is the GCF of 98, 20, 815?

Answer: GCF of 98, 20, 815 is 1.

2. How to Find the GCF of 98, 20, 815

Answer: Greatest Common Factor(GCF) of 98, 20, 815 = 1

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

Step 2: Then multiply all the prime factors GCF(98, 20, 815) = 1.