Greatest Common Factor of 51, 40, 54, 6, 30

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

• Greatest Common Factor of 51, 40, 54, 6, 30 by common division method
• Greatest Common Factor of 51, 40, 54, 6, 30 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 51

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

1,3,17,51

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 54

List of positive integer factors of 54 that divides 54 without a remainder.

1,2,3,6,9,18,27,54

Factors of 6

List of positive integer factors of 6 that divides 6 without a remainder.

1,2,3,6

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Greatest Common Factor

We found the factors 51,40,54,6,30 . The biggest common factor number is the GCF number.
So the greatest common factor 51,40,54,6,30 is 1.

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

• GCF of 43, 38, 84, 4, 95
• GCF of 85, 22, 14, 1, 13
• GCF of 13, 89, 24, 3, 84
• GCF of 86, 36, 85, 4, 35
• GCF of 91, 24, 11, 8, 71

1. What is the GCF of 51, 40, 54, 6, 30?

Answer: GCF of 51, 40, 54, 6, 30 is 1.

2. How to Find the GCF of 51, 40, 54, 6, 30

Answer: Greatest Common Factor(GCF) of 51, 40, 54, 6, 30 = 1

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

Step 2: Then multiply all the prime factors GCF(51, 40, 54, 6, 30) = 1.