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##Naming

What's the name of your function? "getLargestPrimeFactor"? So it must do all the work to solve the problem.

More generally, you want to make your code easy to use, and, if the user doesn't care about how it is done, providing one function with a correct name to do all the work is a welcome sight.

##Customization

1. In one hand, you must provide a robust, bug-resistant, easy way for the user to get the result (here, the largest prime factor).
2. In the other, you could want to provide a way for the users to call the functions as it suits them. This should be optional, and this can be done different ways, depending on the type of customization you want to provide.

your priority is to provide the first part: A user should be able to easy have the expected result, the same way starting your car is just turning the key (or pressing the button).

If you really want to provide customization, then you must think carefully about the kind of customization you can, and thus, common idioms will apply.

For example, one naive solution would be to provide one class with all customization points being virtual methods. The users can then override the method they want to customize, while leaving the others as is. This needs research to find the right solution to your specific problem.

Naming

What's the name of your function? "getLargestPrimeFactor"? So it must do all the work to solve the problem.

More generally, you want to make your code easy to use, and, if the user doesn't care about how it is done, providing one function with a correct name to do all the work is a welcome sight.

Customization

1. In one hand, you must provide a robust, bug-resistant, easy way for the user to get the result (here, the largest prime factor).
2. In the other, you could want to provide a way for the users to call the functions as it suits them. This should be optional, and this can be done different ways, depending on the type of customization you want to provide.

your priority is to provide the first part: A user should be able to easy have the expected result, the same way starting your car is just turning the key (or pressing the button).

If you really want to provide customization, then you must think carefully about the kind of customization you can, and thus, common idioms will apply.

For example, one naive solution would be to provide one class with all customization points being virtual methods. The users can then override the method they want to customize, while leaving the others as is. This needs research to find the right solution to your specific problem.

##Naming

What's the name of your function? "getLargestPrimeFactor"? So it must do all the work to solve the problem.

##Customization

1. In one hand, you must provide a robust, bug-resistant, easy way for the user to get the result (here, the largest prime factor).
2. In the other, you could want to provide a way for the users to call the functions as it suits them. This should be optional, and this can be done different ways, depending on the type of customization you want to provide.

your priority is to provide the first part: A user should be able to easy have the expected result, the same way starting your car is just turning the key (or pressing the button).

If you really want to provide customization, then you must think carefully about the kind of customization you can, and thus, common idioms will apply. For example, one naive solution would be to provide one class with all customization pointers being virtual methods. The users can then override the method they want to customize, while leaving the others are is. This need research to find the right solution to your specific problem.

##Naming

What's the name of your function? "getLargestPrimeFactor"? So it must do all the work to solve the problem.

More generally, you want to make your code easy to use, and, if the user doesn't care about how it is done, providing one function with a correct name to do all the work is a welcome sight.

##Customization

1. In one hand, you must provide a robust, bug-resistant, easy way for the user to get the result (here, the largest prime factor).
2. In the other, you could want to provide a way for the users to call the functions as it suits them. This should be optional, and this can be done different ways, depending on the type of customization you want to provide.

your priority is to provide the first part: A user should be able to easy have the expected result, the same way starting your car is just turning the key (or pressing the button).

If you really want to provide customization, then you must think carefully about the kind of customization you can, and thus, common idioms will apply.

For example, one naive solution would be to provide one class with all customization points being virtual methods. The users can then override the method they want to customize, while leaving the others as is. This needs research to find the right solution to your specific problem.