Greatest Common Factor of 18, 81, 60, 51, 46

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

• Greatest Common Factor of 18, 81, 60, 51, 46 by common division method
• Greatest Common Factor of 18, 81, 60, 51, 46 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 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 81

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

1,3,9,27,81

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 46

List of positive integer factors of 46 that divides 46 without a remainder.

1,2,23,46

Greatest Common Factor

We found the factors 18,81,60,51,46 . The biggest common factor number is the GCF number.
So the greatest common factor 18,81,60,51,46 is 1.

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

• GCF of 18, 88, 21, 23, 41
• GCF of 50, 13, 79, 57, 74
• GCF of 14, 58, 31, 12, 41
• GCF of 76, 58, 34, 52, 60
• GCF of 40, 38, 40, 93, 32

1. What is the GCF of 18, 81, 60, 51, 46?

Answer: GCF of 18, 81, 60, 51, 46 is 1.

2. How to Find the GCF of 18, 81, 60, 51, 46

Answer: Greatest Common Factor(GCF) of 18, 81, 60, 51, 46 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 81, 60, 51, 46) = 1.