Greatest Common Factor of 38, 66, 221, 480

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

• Greatest Common Factor of 38, 66, 221, 480 by common division method
• Greatest Common Factor of 38, 66, 221, 480 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 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 221

List of positive integer factors of 221 that divides 221 without a remainder.

1,13,17,221

Factors of 480

List of positive integer factors of 480 that divides 480 without a remainder.

1,2,3,4,5,6,8,10,12,15,16,20,24,30,32,40,48,60,80,96,120,160,240,480

Greatest Common Factor

We found the factors 38,66,221,480 . The biggest common factor number is the GCF number.
So the greatest common factor 38,66,221,480 is 1.

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

• GCF of 26, 17, 398, 178
• GCF of 75, 64, 933, 991
• GCF of 94, 19, 458, 872
• GCF of 25, 22, 108, 811
• GCF of 90, 72, 994, 833

1. What is the GCF of 38, 66, 221, 480?

Answer: GCF of 38, 66, 221, 480 is 1.

2. How to Find the GCF of 38, 66, 221, 480

Answer: Greatest Common Factor(GCF) of 38, 66, 221, 480 = 1

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

Step 2: Then multiply all the prime factors GCF(38, 66, 221, 480) = 1.