Greatest Common Factor of 19, 15, 30, 216

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

• Greatest Common Factor of 19, 15, 30, 216 by common division method
• Greatest Common Factor of 19, 15, 30, 216 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 19

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

1,19

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 216

List of positive integer factors of 216 that divides 216 without a remainder.

1,2,3,4,6,8,9,12,18,24,27,36,54,72,108,216

Greatest Common Factor

We found the factors 19,15,30,216 . The biggest common factor number is the GCF number.
So the greatest common factor 19,15,30,216 is 1.

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

• GCF of 90, 13, 57, 327
• GCF of 59, 92, 90, 444
• GCF of 34, 89, 56, 668
• GCF of 62, 14, 36, 355
• GCF of 16, 50, 38, 780

1. What is the GCF of 19, 15, 30, 216?

Answer: GCF of 19, 15, 30, 216 is 1.

2. How to Find the GCF of 19, 15, 30, 216

Answer: Greatest Common Factor(GCF) of 19, 15, 30, 216 = 1

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

Step 2: Then multiply all the prime factors GCF(19, 15, 30, 216) = 1.