Greatest Common Factor of 81, 89, 24, 140

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

• Greatest Common Factor of 81, 89, 24, 140 by common division method
• Greatest Common Factor of 81, 89, 24, 140 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 89

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

1,89

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 140

List of positive integer factors of 140 that divides 140 without a remainder.

1,2,4,5,7,10,14,20,28,35,70,140

Greatest Common Factor

We found the factors 81,89,24,140 . The biggest common factor number is the GCF number.
So the greatest common factor 81,89,24,140 is 1.

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

• GCF of 80, 89, 11, 669
• GCF of 42, 86, 20, 802
• GCF of 92, 69, 48, 564
• GCF of 99, 32, 60, 813
• GCF of 27, 38, 55, 623

1. What is the GCF of 81, 89, 24, 140?

Answer: GCF of 81, 89, 24, 140 is 1.

2. How to Find the GCF of 81, 89, 24, 140

Answer: Greatest Common Factor(GCF) of 81, 89, 24, 140 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 89, 24, 140) = 1.