Greatest Common Factor of 45, 40, 27

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

• Greatest Common Factor of 45, 40, 27 by common division method
• Greatest Common Factor of 45, 40, 27 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 40

List of positive integer factors of 40 that divides 40 without a remainder.

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

Factors of 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Greatest Common Factor

We found the factors 45,40,27 . The biggest common factor number is the GCF number.
So the greatest common factor 45,40,27 is 1.

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

• GCF of 47, 98, 41
• GCF of 39, 29, 98
• GCF of 89, 57, 13
• GCF of 24, 40, 36
• GCF of 84, 91, 19

1. What is the GCF of 45, 40, 27?

Answer: GCF of 45, 40, 27 is 1.

2. How to Find the GCF of 45, 40, 27

Answer: Greatest Common Factor(GCF) of 45, 40, 27 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 40, 27) = 1.