Greatest Common Factor of 45, 79, 27, 15

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

• Greatest Common Factor of 45, 79, 27, 15 by common division method
• Greatest Common Factor of 45, 79, 27, 15 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 79

List of positive integer factors of 79 that divides 79 without a remainder.

1,79

Factors of 27

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

1,3,9,27

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Greatest Common Factor

We found the factors 45,79,27,15 . The biggest common factor number is the GCF number.
So the greatest common factor 45,79,27,15 is 1.

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

• GCF of 70, 58, 10, 48
• GCF of 50, 71, 41, 85
• GCF of 43, 37, 21, 75
• GCF of 41, 97, 94, 99
• GCF of 57, 88, 80, 32

1. What is the GCF of 45, 79, 27, 15?

Answer: GCF of 45, 79, 27, 15 is 1.

2. How to Find the GCF of 45, 79, 27, 15

Answer: Greatest Common Factor(GCF) of 45, 79, 27, 15 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 79, 27, 15) = 1.