Greatest Common Factor of 99, 30, 18, 49

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

• Greatest Common Factor of 99, 30, 18, 49 by common division method
• Greatest Common Factor of 99, 30, 18, 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 99

List of positive integer factors of 99 that divides 99 without a remainder.

1,3,9,11,33,99

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 18

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

1,2,3,6,9,18

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 99,30,18,49 . The biggest common factor number is the GCF number.
So the greatest common factor 99,30,18,49 is 1.

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

• GCF of 85, 75, 37, 50
• GCF of 72, 33, 43, 43
• GCF of 98, 52, 17, 93
• GCF of 48, 66, 81, 53
• GCF of 23, 38, 79, 50

1. What is the GCF of 99, 30, 18, 49?

Answer: GCF of 99, 30, 18, 49 is 1.

2. How to Find the GCF of 99, 30, 18, 49

Answer: Greatest Common Factor(GCF) of 99, 30, 18, 49 = 1

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

Step 2: Then multiply all the prime factors GCF(99, 30, 18, 49) = 1.