Greatest Common Factor of 30, 68, 36, 72

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

• Greatest Common Factor of 30, 68, 36, 72 by common division method
• Greatest Common Factor of 30, 68, 36, 72 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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 68

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

1,2,4,17,34,68

Factors of 36

List of positive integer factors of 36 that divides 36 without a remainder.

1,2,3,4,6,9,12,18,36

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

Greatest Common Factor

We found the factors 30,68,36,72 . The biggest common factor number is the GCF number.
So the greatest common factor 30,68,36,72 is 2.

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

• GCF of 18, 38, 62, 69
• GCF of 68, 58, 30, 71
• GCF of 55, 49, 94, 90
• GCF of 58, 52, 90, 18
• GCF of 82, 71, 73, 39

1. What is the GCF of 30, 68, 36, 72?

Answer: GCF of 30, 68, 36, 72 is 2.

2. How to Find the GCF of 30, 68, 36, 72

Answer: Greatest Common Factor(GCF) of 30, 68, 36, 72 = 2

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

Step 2: Then multiply all the prime factors GCF(30, 68, 36, 72) = 2.