Greatest Common Factor of 51, 15, 99, 30

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

• Greatest Common Factor of 51, 15, 99, 30 by common division method
• Greatest Common Factor of 51, 15, 99, 30 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

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

Factors of 51

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

1,3,17,51

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 99

List of positive integer factors of 99 that divides 99 without a remainder.

1,3,9,11,33,99

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 51,15,99,30 . The biggest common factor number is the GCF number.
So the greatest common factor 51,15,99,30 is 3.

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

• GCF of 50, 42, 12, 26
• GCF of 91, 83, 11, 21
• GCF of 24, 45, 83, 24
• GCF of 74, 47, 45, 21
• GCF of 65, 59, 29, 19

1. What is the GCF of 51, 15, 99, 30?

Answer: GCF of 51, 15, 99, 30 is 3.

2. How to Find the GCF of 51, 15, 99, 30

Answer: Greatest Common Factor(GCF) of 51, 15, 99, 30 = 3

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

Step 2: Then multiply all the prime factors GCF(51, 15, 99, 30) = 3.