Greatest Common Factor of 15, 28, 84, 9, 44

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

• Greatest Common Factor of 15, 28, 84, 9, 44 by common division method
• Greatest Common Factor of 15, 28, 84, 9, 44 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 15

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

1,3,5,15

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 9

List of positive integer factors of 9 that divides 9 without a remainder.

1,3,9

Factors of 44

List of positive integer factors of 44 that divides 44 without a remainder.

1,2,4,11,22,44

Greatest Common Factor

We found the factors 15,28,84,9,44 . The biggest common factor number is the GCF number.
So the greatest common factor 15,28,84,9,44 is 1.

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

• GCF of 18, 38, 37, 5, 33
• GCF of 31, 11, 21, 6, 37
• GCF of 12, 62, 52, 5, 77
• GCF of 57, 21, 91, 3, 95
• GCF of 17, 83, 23, 1, 91

1. What is the GCF of 15, 28, 84, 9, 44?

Answer: GCF of 15, 28, 84, 9, 44 is 1.

2. How to Find the GCF of 15, 28, 84, 9, 44

Answer: Greatest Common Factor(GCF) of 15, 28, 84, 9, 44 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 28, 84, 9, 44) = 1.