Greatest Common Factor of 78, 63, 12, 321

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

• Greatest Common Factor of 78, 63, 12, 321 by common division method
• Greatest Common Factor of 78, 63, 12, 321 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 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 12

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

1,2,3,4,6,12

Factors of 321

List of positive integer factors of 321 that divides 321 without a remainder.

1,3,107,321

Greatest Common Factor

We found the factors 78,63,12,321 . The biggest common factor number is the GCF number.
So the greatest common factor 78,63,12,321 is 3.

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

• GCF of 71, 39, 76, 554
• GCF of 12, 62, 82, 465
• GCF of 98, 37, 40, 681
• GCF of 81, 58, 20, 359
• GCF of 70, 79, 11, 792

1. What is the GCF of 78, 63, 12, 321?

Answer: GCF of 78, 63, 12, 321 is 3.

2. How to Find the GCF of 78, 63, 12, 321

Answer: Greatest Common Factor(GCF) of 78, 63, 12, 321 = 3

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

Step 2: Then multiply all the prime factors GCF(78, 63, 12, 321) = 3.