Greatest Common Factor of 11, 21, 28, 303

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

• Greatest Common Factor of 11, 21, 28, 303 by common division method
• Greatest Common Factor of 11, 21, 28, 303 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 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

Factors of 21

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

1,3,7,21

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 303

List of positive integer factors of 303 that divides 303 without a remainder.

1,3,101,303

Greatest Common Factor

We found the factors 11,21,28,303 . The biggest common factor number is the GCF number.
So the greatest common factor 11,21,28,303 is 1.

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

• GCF of 86, 25, 83, 330
• GCF of 92, 25, 88, 232
• GCF of 66, 24, 41, 945
• GCF of 58, 46, 28, 982
• GCF of 24, 17, 39, 373

1. What is the GCF of 11, 21, 28, 303?

Answer: GCF of 11, 21, 28, 303 is 1.

2. How to Find the GCF of 11, 21, 28, 303

Answer: Greatest Common Factor(GCF) of 11, 21, 28, 303 = 1

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

Step 2: Then multiply all the prime factors GCF(11, 21, 28, 303) = 1.