Greatest Common Factor of 50, 9, 99, 21

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

• Greatest Common Factor of 50, 9, 99, 21 by common division method
• Greatest Common Factor of 50, 9, 99, 21 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 50

List of positive integer factors of 50 that divides 50 without a remainder.

1,2,5,10,25,50

Factors of 9

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

1,3,9

Factors of 99

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

1,3,9,11,33,99

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Greatest Common Factor

We found the factors 50,9,99,21 . The biggest common factor number is the GCF number.
So the greatest common factor 50,9,99,21 is 1.

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

• GCF of 57, 6, 63, 58
• GCF of 68, 8, 43, 22
• GCF of 32, 7, 35, 45
• GCF of 81, 3, 47, 44
• GCF of 73, 3, 83, 86

1. What is the GCF of 50, 9, 99, 21?

Answer: GCF of 50, 9, 99, 21 is 1.

2. How to Find the GCF of 50, 9, 99, 21

Answer: Greatest Common Factor(GCF) of 50, 9, 99, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(50, 9, 99, 21) = 1.