Greatest Common Factor of 72, 66, 90, 68

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

• Greatest Common Factor of 72, 66, 90, 68 by common division method
• Greatest Common Factor of 72, 66, 90, 68 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 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 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 68

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

1,2,4,17,34,68

Greatest Common Factor

We found the factors 72,66,90,68 . The biggest common factor number is the GCF number.
So the greatest common factor 72,66,90,68 is 2.

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

• GCF of 80, 86, 54, 63
• GCF of 23, 77, 87, 21
• GCF of 75, 51, 94, 45
• GCF of 84, 36, 14, 48
• GCF of 84, 75, 36, 42

1. What is the GCF of 72, 66, 90, 68?

Answer: GCF of 72, 66, 90, 68 is 2.

2. How to Find the GCF of 72, 66, 90, 68

Answer: Greatest Common Factor(GCF) of 72, 66, 90, 68 = 2

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

Step 2: Then multiply all the prime factors GCF(72, 66, 90, 68) = 2.