Greatest Common Factor of 81, 93, 23, 24, 21

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

• Greatest Common Factor of 81, 93, 23, 24, 21 by common division method
• Greatest Common Factor of 81, 93, 23, 24, 21 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 81

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

1,3,9,27,81

Factors of 93

List of positive integer factors of 93 that divides 93 without a remainder.

1,3,31,93

Factors of 23

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

1,23

Factors of 24

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

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

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Greatest Common Factor

We found the factors 81,93,23,24,21 . The biggest common factor number is the GCF number.
So the greatest common factor 81,93,23,24,21 is 1.

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

• GCF of 34, 71, 33, 28, 13
• GCF of 71, 16, 96, 66, 19
• GCF of 25, 21, 44, 20, 30
• GCF of 76, 70, 79, 27, 81
• GCF of 29, 64, 40, 62, 99

1. What is the GCF of 81, 93, 23, 24, 21?

Answer: GCF of 81, 93, 23, 24, 21 is 1.

2. How to Find the GCF of 81, 93, 23, 24, 21

Answer: Greatest Common Factor(GCF) of 81, 93, 23, 24, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 93, 23, 24, 21) = 1.