Greatest Common Factor of 18, 44, 72, 49

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

• Greatest Common Factor of 18, 44, 72, 49 by common division method
• Greatest Common Factor of 18, 44, 72, 49 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 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 44

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

1,2,4,11,22,44

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 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Greatest Common Factor

We found the factors 18,44,72,49 . The biggest common factor number is the GCF number.
So the greatest common factor 18,44,72,49 is 1.

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

• GCF of 93, 93, 93, 45
• GCF of 45, 34, 91, 40
• GCF of 84, 86, 22, 60
• GCF of 92, 56, 15, 25
• GCF of 84, 72, 62, 34

1. What is the GCF of 18, 44, 72, 49?

Answer: GCF of 18, 44, 72, 49 is 1.

2. How to Find the GCF of 18, 44, 72, 49

Answer: Greatest Common Factor(GCF) of 18, 44, 72, 49 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 44, 72, 49) = 1.