Greatest Common Factor of 45, 80, 72, 33

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

• Greatest Common Factor of 45, 80, 72, 33 by common division method
• Greatest Common Factor of 45, 80, 72, 33 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 45

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

1,3,5,9,15,45

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

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 33

List of positive integer factors of 33 that divides 33 without a remainder.

1,3,11,33

Greatest Common Factor

We found the factors 45,80,72,33 . The biggest common factor number is the GCF number.
So the greatest common factor 45,80,72,33 is 1.

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

• GCF of 48, 73, 86, 51
• GCF of 65, 88, 97, 72
• GCF of 85, 90, 32, 51
• GCF of 48, 87, 60, 54
• GCF of 22, 63, 62, 51

1. What is the GCF of 45, 80, 72, 33?

Answer: GCF of 45, 80, 72, 33 is 1.

2. How to Find the GCF of 45, 80, 72, 33

Answer: Greatest Common Factor(GCF) of 45, 80, 72, 33 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 80, 72, 33) = 1.