Greatest Common Factor of 78, 68, 54, 390

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

• Greatest Common Factor of 78, 68, 54, 390 by common division method
• Greatest Common Factor of 78, 68, 54, 390 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 2 = 2

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 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

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 390

List of positive integer factors of 390 that divides 390 without a remainder.

1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390

Greatest Common Factor

We found the factors 78,68,54,390 . The biggest common factor number is the GCF number.
So the greatest common factor 78,68,54,390 is 2.

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

• GCF of 84, 48, 62, 939
• GCF of 84, 33, 55, 124
• GCF of 79, 15, 53, 584
• GCF of 37, 17, 31, 987
• GCF of 53, 28, 63, 192

1. What is the GCF of 78, 68, 54, 390?

Answer: GCF of 78, 68, 54, 390 is 2.

2. How to Find the GCF of 78, 68, 54, 390

Answer: Greatest Common Factor(GCF) of 78, 68, 54, 390 = 2

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

Step 2: Then multiply all the prime factors GCF(78, 68, 54, 390) = 2.