Greatest Common Factor of 72, 42, 18, 747

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

• Greatest Common Factor of 72, 42, 18, 747 by common division method
• Greatest Common Factor of 72, 42, 18, 747 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 747

List of positive integer factors of 747 that divides 747 without a remainder.

1,3,9,83,249,747

Greatest Common Factor

We found the factors 72,42,18,747 . The biggest common factor number is the GCF number.
So the greatest common factor 72,42,18,747 is 3.

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

• GCF of 78, 99, 25, 506
• GCF of 84, 43, 74, 884
• GCF of 93, 92, 55, 518
• GCF of 51, 53, 20, 796
• GCF of 46, 69, 48, 424

1. What is the GCF of 72, 42, 18, 747?

Answer: GCF of 72, 42, 18, 747 is 3.

2. How to Find the GCF of 72, 42, 18, 747

Answer: Greatest Common Factor(GCF) of 72, 42, 18, 747 = 3

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

Step 2: Then multiply all the prime factors GCF(72, 42, 18, 747) = 3.