Greatest Common Factor of 98, 21, 2

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

• Greatest Common Factor of 98, 21, 2 by common division method
• Greatest Common Factor of 98, 21, 2 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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 2

List of positive integer factors of 2 that divides 2 without a remainder.

1,2

Greatest Common Factor

We found the factors 98,21,2 . The biggest common factor number is the GCF number.
So the greatest common factor 98,21,2 is 1.

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

• GCF of 68, 27, 6
• GCF of 71, 14, 7
• GCF of 73, 52, 9
• GCF of 72, 22, 1
• GCF of 10, 34, 3

1. What is the GCF of 98, 21, 2?

Answer: GCF of 98, 21, 2 is 1.

2. How to Find the GCF of 98, 21, 2

Answer: Greatest Common Factor(GCF) of 98, 21, 2 = 1

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

Step 2: Then multiply all the prime factors GCF(98, 21, 2) = 1.