Greatest Common Factor of 99, 80, 43, 90, 57

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

• Greatest Common Factor of 99, 80, 43, 90, 57 by common division method
• Greatest Common Factor of 99, 80, 43, 90, 57 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 99

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

1,3,9,11,33,99

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

Factors of 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

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 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Greatest Common Factor

We found the factors 99,80,43,90,57 . The biggest common factor number is the GCF number.
So the greatest common factor 99,80,43,90,57 is 1.

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

• GCF of 35, 47, 13, 22, 88
• GCF of 33, 83, 38, 33, 16
• GCF of 83, 83, 79, 58, 72
• GCF of 38, 82, 73, 84, 22
• GCF of 37, 45, 77, 58, 48

1. What is the GCF of 99, 80, 43, 90, 57?

Answer: GCF of 99, 80, 43, 90, 57 is 1.

2. How to Find the GCF of 99, 80, 43, 90, 57

Answer: Greatest Common Factor(GCF) of 99, 80, 43, 90, 57 = 1

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

Step 2: Then multiply all the prime factors GCF(99, 80, 43, 90, 57) = 1.