Greatest Common Factor of 83, 99, 21, 231

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

• Greatest Common Factor of 83, 99, 21, 231 by common division method
• Greatest Common Factor of 83, 99, 21, 231 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 83

List of positive integer factors of 83 that divides 83 without a remainder.

1,83

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

Factors of 231

List of positive integer factors of 231 that divides 231 without a remainder.

1,3,7,11,21,33,77,231

Greatest Common Factor

We found the factors 83,99,21,231 . The biggest common factor number is the GCF number.
So the greatest common factor 83,99,21,231 is 1.

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

• GCF of 72, 35, 49, 787
• GCF of 79, 79, 49, 304
• GCF of 53, 92, 69, 217
• GCF of 11, 18, 64, 641
• GCF of 80, 27, 82, 994

1. What is the GCF of 83, 99, 21, 231?

Answer: GCF of 83, 99, 21, 231 is 1.

2. How to Find the GCF of 83, 99, 21, 231

Answer: Greatest Common Factor(GCF) of 83, 99, 21, 231 = 1

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

Step 2: Then multiply all the prime factors GCF(83, 99, 21, 231) = 1.