Greatest Common Factor of 72, 78, 39, 438

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

• Greatest Common Factor of 72, 78, 39, 438 by common division method
• Greatest Common Factor of 72, 78, 39, 438 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 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

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 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 438

List of positive integer factors of 438 that divides 438 without a remainder.

1,2,3,6,73,146,219,438

Greatest Common Factor

We found the factors 72,78,39,438 . The biggest common factor number is the GCF number.
So the greatest common factor 72,78,39,438 is 3.

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

• GCF of 19, 89, 52, 295
• GCF of 88, 90, 44, 924
• GCF of 79, 52, 64, 331
• GCF of 14, 36, 18, 996
• GCF of 15, 79, 85, 900

1. What is the GCF of 72, 78, 39, 438?

Answer: GCF of 72, 78, 39, 438 is 3.

2. How to Find the GCF of 72, 78, 39, 438

Answer: Greatest Common Factor(GCF) of 72, 78, 39, 438 = 3

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

Step 2: Then multiply all the prime factors GCF(72, 78, 39, 438) = 3.