Greatest Common Factor of 90, 87, 63, 72

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

• Greatest Common Factor of 90, 87, 63, 72 by common division method
• Greatest Common Factor of 90, 87, 63, 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 3 = 3

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 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

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 90,87,63,72 . The biggest common factor number is the GCF number.
So the greatest common factor 90,87,63,72 is 3.

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

• GCF of 57, 49, 90, 98
• GCF of 67, 65, 28, 85
• GCF of 19, 51, 90, 34
• GCF of 17, 95, 51, 63
• GCF of 26, 86, 89, 31

1. What is the GCF of 90, 87, 63, 72?

Answer: GCF of 90, 87, 63, 72 is 3.

2. How to Find the GCF of 90, 87, 63, 72

Answer: Greatest Common Factor(GCF) of 90, 87, 63, 72 = 3

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

Step 2: Then multiply all the prime factors GCF(90, 87, 63, 72) = 3.