Greatest Common Factor of 25, 2, 98, 81

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

• Greatest Common Factor of 25, 2, 98, 81 by common division method
• Greatest Common Factor of 25, 2, 98, 81 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 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 2

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

1,2

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

Greatest Common Factor

We found the factors 25,2,98,81 . The biggest common factor number is the GCF number.
So the greatest common factor 25,2,98,81 is 1.

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

• GCF of 76, 7, 51, 19
• GCF of 80, 9, 70, 98
• GCF of 94, 4, 85, 60
• GCF of 90, 9, 53, 93
• GCF of 53, 1, 62, 17

1. What is the GCF of 25, 2, 98, 81?

Answer: GCF of 25, 2, 98, 81 is 1.

2. How to Find the GCF of 25, 2, 98, 81

Answer: Greatest Common Factor(GCF) of 25, 2, 98, 81 = 1

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

Step 2: Then multiply all the prime factors GCF(25, 2, 98, 81) = 1.