Greatest Common Factor of 38, 55, 21, 237

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

• Greatest Common Factor of 38, 55, 21, 237 by common division method
• Greatest Common Factor of 38, 55, 21, 237 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 38

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

1,2,19,38

Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 21

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

1,3,7,21

Factors of 237

List of positive integer factors of 237 that divides 237 without a remainder.

1,3,79,237

Greatest Common Factor

We found the factors 38,55,21,237 . The biggest common factor number is the GCF number.
So the greatest common factor 38,55,21,237 is 1.

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

• GCF of 13, 20, 28, 949
• GCF of 30, 50, 65, 619
• GCF of 71, 94, 10, 838
• GCF of 13, 43, 91, 625
• GCF of 40, 30, 24, 351

1. What is the GCF of 38, 55, 21, 237?

Answer: GCF of 38, 55, 21, 237 is 1.

2. How to Find the GCF of 38, 55, 21, 237

Answer: Greatest Common Factor(GCF) of 38, 55, 21, 237 = 1

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

Step 2: Then multiply all the prime factors GCF(38, 55, 21, 237) = 1.