Greatest Common Factor of 9, 90, 23, 31, 24

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

• Greatest Common Factor of 9, 90, 23, 31, 24 by common division method
• Greatest Common Factor of 9, 90, 23, 31, 24 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 9

List of positive integer factors of 9 that divides 9 without a remainder.

1,3,9

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 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

Factors of 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 24

List of positive integer factors of 24 that divides 24 without a remainder.

1,2,3,4,6,8,12,24

Greatest Common Factor

We found the factors 9,90,23,31,24 . The biggest common factor number is the GCF number.
So the greatest common factor 9,90,23,31,24 is 1.

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

• GCF of 7, 66, 88, 95, 61
• GCF of 9, 13, 58, 23, 79
• GCF of 5, 99, 55, 12, 34
• GCF of 4, 75, 33, 54, 40
• GCF of 5, 86, 14, 40, 11

1. What is the GCF of 9, 90, 23, 31, 24?

Answer: GCF of 9, 90, 23, 31, 24 is 1.

2. How to Find the GCF of 9, 90, 23, 31, 24

Answer: Greatest Common Factor(GCF) of 9, 90, 23, 31, 24 = 1

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

Step 2: Then multiply all the prime factors GCF(9, 90, 23, 31, 24) = 1.