Greatest Common Factor of 98, 26, 21, 80

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

• Greatest Common Factor of 98, 26, 21, 80 by common division method
• Greatest Common Factor of 98, 26, 21, 80 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 26

List of positive integer factors of 26 that divides 26 without a remainder.

1,2,13,26

Factors of 21

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

1,3,7,21

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Greatest Common Factor

We found the factors 98,26,21,80 . The biggest common factor number is the GCF number.
So the greatest common factor 98,26,21,80 is 1.

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

• GCF of 11, 86, 48, 67
• GCF of 73, 13, 48, 86
• GCF of 65, 29, 82, 27
• GCF of 88, 62, 51, 97
• GCF of 88, 12, 87, 26

1. What is the GCF of 98, 26, 21, 80?

Answer: GCF of 98, 26, 21, 80 is 1.

2. How to Find the GCF of 98, 26, 21, 80

Answer: Greatest Common Factor(GCF) of 98, 26, 21, 80 = 1

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

Step 2: Then multiply all the prime factors GCF(98, 26, 21, 80) = 1.