Greatest Common Factor of 99, 90, 84, 30

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

• Greatest Common Factor of 99, 90, 84, 30 by common division method
• Greatest Common Factor of 99, 90, 84, 30 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 99

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

1,3,9,11,33,99

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

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 30

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

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

Greatest Common Factor

We found the factors 99,90,84,30 . The biggest common factor number is the GCF number.
So the greatest common factor 99,90,84,30 is 3.

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

• GCF of 41, 98, 62, 36
• GCF of 96, 19, 64, 76
• GCF of 14, 59, 30, 51
• GCF of 32, 47, 77, 30
• GCF of 69, 12, 12, 48

1. What is the GCF of 99, 90, 84, 30?

Answer: GCF of 99, 90, 84, 30 is 3.

2. How to Find the GCF of 99, 90, 84, 30

Answer: Greatest Common Factor(GCF) of 99, 90, 84, 30 = 3

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

Step 2: Then multiply all the prime factors GCF(99, 90, 84, 30) = 3.