Greatest Common Factor of 21, 99, 49, 227

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

• Greatest Common Factor of 21, 99, 49, 227 by common division method
• Greatest Common Factor of 21, 99, 49, 227 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 21

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

1,3,7,21

Factors of 99

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

1,3,9,11,33,99

Factors of 49

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

1,7,49

Factors of 227

List of positive integer factors of 227 that divides 227 without a remainder.

1,227

Greatest Common Factor

We found the factors 21,99,49,227 . The biggest common factor number is the GCF number.
So the greatest common factor 21,99,49,227 is 1.

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

• GCF of 16, 65, 24, 921
• GCF of 20, 14, 97, 931
• GCF of 38, 74, 86, 443
• GCF of 37, 77, 36, 813
• GCF of 96, 79, 24, 567

1. What is the GCF of 21, 99, 49, 227?

Answer: GCF of 21, 99, 49, 227 is 1.

2. How to Find the GCF of 21, 99, 49, 227

Answer: Greatest Common Factor(GCF) of 21, 99, 49, 227 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 99, 49, 227) = 1.