Greatest Common Factor of 21, 38, 19, 41

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

• Greatest Common Factor of 21, 38, 19, 41 by common division method
• Greatest Common Factor of 21, 38, 19, 41 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 38

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

1,2,19,38

Factors of 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

Factors of 41

List of positive integer factors of 41 that divides 41 without a remainder.

1,41

Greatest Common Factor

We found the factors 21,38,19,41 . The biggest common factor number is the GCF number.
So the greatest common factor 21,38,19,41 is 1.

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

• GCF of 17, 78, 32, 99
• GCF of 53, 39, 25, 94
• GCF of 68, 98, 31, 54
• GCF of 97, 70, 63, 48
• GCF of 68, 45, 11, 46

1. What is the GCF of 21, 38, 19, 41?

Answer: GCF of 21, 38, 19, 41 is 1.

2. How to Find the GCF of 21, 38, 19, 41

Answer: Greatest Common Factor(GCF) of 21, 38, 19, 41 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 38, 19, 41) = 1.