Greatest Common Factor of 30, 81, 98, 17, 25

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

• Greatest Common Factor of 30, 81, 98, 17, 25 by common division method
• Greatest Common Factor of 30, 81, 98, 17, 25 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 81

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

1,3,9,27,81

Factors of 98

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

1,2,7,14,49,98

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 25

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

1,5,25

Greatest Common Factor

We found the factors 30,81,98,17,25 . The biggest common factor number is the GCF number.
So the greatest common factor 30,81,98,17,25 is 1.

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

• GCF of 80, 35, 11, 26, 42
• GCF of 80, 77, 59, 41, 34
• GCF of 67, 45, 92, 59, 68
• GCF of 13, 23, 46, 30, 78
• GCF of 10, 47, 53, 41, 94

1. What is the GCF of 30, 81, 98, 17, 25?

Answer: GCF of 30, 81, 98, 17, 25 is 1.

2. How to Find the GCF of 30, 81, 98, 17, 25

Answer: Greatest Common Factor(GCF) of 30, 81, 98, 17, 25 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 81, 98, 17, 25) = 1.