$multiplication chart 15x15 pdf$

What is the Greatest Common Factor (GCF) of 30 and 100?

The greatest common factor, also known as the highest common factor or GCF, is the largest positive integer that is a divisor of both numbers. In this case, we are going to find the GCF of 30 and 100.

To do so, let's first identify the factors of each number. The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30. The factors of 100 are 1, 2, 4, 5, 10, 20, 25, 50, and 100.

Next, we need to find the common factors between these two sets of numbers. Upon examining the lists, we can see that the common factors are 1, 2, 5, and 10.

The largest of these common factors is 10, so the greatest common factor (GCF) of 30 and 100 is 10.

Example: What is the GCF of 15 and 30?

To find the GCF of 15 and 30, we need to identify their factors. The factors of 15 are 1, 3, and 5. The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30.

The common factors between these two sets of numbers are 1 and 3. The largest of these common factors is 3, so the GCF of 15 and 30 is 3.

In conclusion, the greatest common factor (GCF) of 30 and 100 is 10, and the GCF of 15 and 30 is 3. By identifying the factors of each number and finding their common factors, we can determine the GCF of two numbers.

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Multiplication chart 15x15 pdf