Greatest Common Factor of 78, 84, 99, 12, 561

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

• Greatest Common Factor of 78, 84, 99, 12, 561 by common division method
• Greatest Common Factor of 78, 84, 99, 12, 561 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 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 99

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

1,3,9,11,33,99

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 561

List of positive integer factors of 561 that divides 561 without a remainder.

1,3,11,17,33,51,187,561

Greatest Common Factor

We found the factors 78,84,99,12,561 . The biggest common factor number is the GCF number.
So the greatest common factor 78,84,99,12,561 is 3.

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

• GCF of 64, 45, 36, 36, 272
• GCF of 41, 19, 42, 88, 763
• GCF of 75, 63, 60, 58, 838
• GCF of 76, 62, 53, 94, 612
• GCF of 36, 99, 95, 57, 314

1. What is the GCF of 78, 84, 99, 12, 561?

Answer: GCF of 78, 84, 99, 12, 561 is 3.

2. How to Find the GCF of 78, 84, 99, 12, 561

Answer: Greatest Common Factor(GCF) of 78, 84, 99, 12, 561 = 3

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

Step 2: Then multiply all the prime factors GCF(78, 84, 99, 12, 561) = 3.