Greatest Common Factor of 72, 17, 22, 45

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

• Greatest Common Factor of 72, 17, 22, 45 by common division method
• Greatest Common Factor of 72, 17, 22, 45 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 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 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 22

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

1,2,11,22

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Greatest Common Factor

We found the factors 72,17,22,45 . The biggest common factor number is the GCF number.
So the greatest common factor 72,17,22,45 is 1.

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

• GCF of 26, 98, 56, 64
• GCF of 59, 11, 51, 50
• GCF of 29, 29, 81, 13
• GCF of 11, 52, 58, 79
• GCF of 90, 75, 69, 19

1. What is the GCF of 72, 17, 22, 45?

Answer: GCF of 72, 17, 22, 45 is 1.

2. How to Find the GCF of 72, 17, 22, 45

Answer: Greatest Common Factor(GCF) of 72, 17, 22, 45 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 17, 22, 45) = 1.