Greatest Common Factor of 51, 54, 16, 42

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

• Greatest Common Factor of 51, 54, 16, 42 by common division method
• Greatest Common Factor of 51, 54, 16, 42 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 54

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

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

Factors of 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Greatest Common Factor

We found the factors 51,54,16,42 . The biggest common factor number is the GCF number.
So the greatest common factor 51,54,16,42 is 1.

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

• GCF of 93, 91, 58, 66
• GCF of 57, 66, 19, 67
• GCF of 56, 55, 44, 60
• GCF of 96, 66, 31, 60
• GCF of 96, 80, 15, 76

1. What is the GCF of 51, 54, 16, 42?

Answer: GCF of 51, 54, 16, 42 is 1.

2. How to Find the GCF of 51, 54, 16, 42

Answer: Greatest Common Factor(GCF) of 51, 54, 16, 42 = 1

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

Step 2: Then multiply all the prime factors GCF(51, 54, 16, 42) = 1.