Greatest Common Factor of 87, 90, 72, 22

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

• Greatest Common Factor of 87, 90, 72, 22 by common division method
• Greatest Common Factor of 87, 90, 72, 22 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 87

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

1,3,29,87

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 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 22

List of positive integer factors of 22 that divides 22 without a remainder.

1,2,11,22

Greatest Common Factor

We found the factors 87,90,72,22 . The biggest common factor number is the GCF number.
So the greatest common factor 87,90,72,22 is 1.

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

• GCF of 25, 62, 87, 79
• GCF of 65, 33, 84, 58
• GCF of 53, 59, 75, 49
• GCF of 95, 70, 49, 87
• GCF of 29, 37, 37, 65

1. What is the GCF of 87, 90, 72, 22?

Answer: GCF of 87, 90, 72, 22 is 1.

2. How to Find the GCF of 87, 90, 72, 22

Answer: Greatest Common Factor(GCF) of 87, 90, 72, 22 = 1

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

Step 2: Then multiply all the prime factors GCF(87, 90, 72, 22) = 1.