Greatest Common Factor of 90, 64, 51, 89, 28

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

• Greatest Common Factor of 90, 64, 51, 89, 28 by common division method
• Greatest Common Factor of 90, 64, 51, 89, 28 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 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Greatest Common Factor

We found the factors 90,64,51,89,28 . The biggest common factor number is the GCF number.
So the greatest common factor 90,64,51,89,28 is 1.

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

• GCF of 81, 89, 86, 95, 26
• GCF of 21, 35, 91, 34, 40
• GCF of 34, 60, 76, 11, 54
• GCF of 28, 76, 10, 73, 12
• GCF of 26, 89, 66, 54, 52

1. What is the GCF of 90, 64, 51, 89, 28?

Answer: GCF of 90, 64, 51, 89, 28 is 1.

2. How to Find the GCF of 90, 64, 51, 89, 28

Answer: Greatest Common Factor(GCF) of 90, 64, 51, 89, 28 = 1

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

Step 2: Then multiply all the prime factors GCF(90, 64, 51, 89, 28) = 1.