Greatest Common Factor of 11, 38, 21

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

• Greatest Common Factor of 11, 38, 21 by common division method
• Greatest Common Factor of 11, 38, 21 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ 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 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

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 11,38,21 . The biggest common factor number is the GCF number.
So the greatest common factor 11,38,21 is 1.

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

• GCF of 97, 47, 47
• GCF of 50, 27, 72
• GCF of 75, 63, 36
• GCF of 96, 14, 15
• GCF of 83, 64, 41

1. What is the GCF of 11, 38, 21?

Answer: GCF of 11, 38, 21 is 1.

2. How to Find the GCF of 11, 38, 21

Answer: Greatest Common Factor(GCF) of 11, 38, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(11, 38, 21) = 1.