Greatest Common Factor of 90, 40, 89, 99

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

• Greatest Common Factor of 90, 40, 89, 99 by common division method
• Greatest Common Factor of 90, 40, 89, 99 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 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 40

List of positive integer factors of 40 that divides 40 without a remainder.

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

Factors of 89

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

1,89

Factors of 99

List of positive integer factors of 99 that divides 99 without a remainder.

1,3,9,11,33,99

Greatest Common Factor

We found the factors 90,40,89,99 . The biggest common factor number is the GCF number.
So the greatest common factor 90,40,89,99 is 1.

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

• GCF of 41, 83, 86, 56
• GCF of 25, 64, 12, 46
• GCF of 21, 67, 33, 14
• GCF of 32, 80, 52, 33
• GCF of 47, 13, 65, 86

1. What is the GCF of 90, 40, 89, 99?

Answer: GCF of 90, 40, 89, 99 is 1.

2. How to Find the GCF of 90, 40, 89, 99

Answer: Greatest Common Factor(GCF) of 90, 40, 89, 99 = 1

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

Step 2: Then multiply all the prime factors GCF(90, 40, 89, 99) = 1.