Greatest Common Factor of 13, 27, 45, 12

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

• Greatest Common Factor of 13, 27, 45, 12 by common division method
• Greatest Common Factor of 13, 27, 45, 12 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 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 27

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

1,3,9,27

Factors of 45

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

1,3,5,9,15,45

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Greatest Common Factor

We found the factors 13,27,45,12 . The biggest common factor number is the GCF number.
So the greatest common factor 13,27,45,12 is 1.

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

• GCF of 91, 87, 57, 92
• GCF of 57, 95, 86, 22
• GCF of 42, 90, 53, 63
• GCF of 58, 15, 11, 10
• GCF of 96, 31, 93, 21

1. What is the GCF of 13, 27, 45, 12?

Answer: GCF of 13, 27, 45, 12 is 1.

2. How to Find the GCF of 13, 27, 45, 12

Answer: Greatest Common Factor(GCF) of 13, 27, 45, 12 = 1

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

Step 2: Then multiply all the prime factors GCF(13, 27, 45, 12) = 1.