Greatest Common Factor of 60, 51, 21, 54

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

• Greatest Common Factor of 60, 51, 21, 54 by common division method
• Greatest Common Factor of 60, 51, 21, 54 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

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 21

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

1,3,7,21

Factors of 54

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

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

Greatest Common Factor

We found the factors 60,51,21,54 . The biggest common factor number is the GCF number.
So the greatest common factor 60,51,21,54 is 3.

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

• GCF of 10, 74, 27, 24
• GCF of 93, 45, 42, 99
• GCF of 82, 25, 71, 90
• GCF of 22, 93, 66, 31
• GCF of 91, 24, 86, 18

1. What is the GCF of 60, 51, 21, 54?

Answer: GCF of 60, 51, 21, 54 is 3.

2. How to Find the GCF of 60, 51, 21, 54

Answer: Greatest Common Factor(GCF) of 60, 51, 21, 54 = 3

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

Step 2: Then multiply all the prime factors GCF(60, 51, 21, 54) = 3.