# R Program to find the largest digit of a number

In this program, You will learn how to find the largest digit of a number in R.

```
1234 = 4
2351 = 5
```

## Example: How to find the largest digit of a number in R

```
{
n = as.integer(readline(prompt = "Enter a number :"))
largest = 0
while (n > 0) {
r = n %% 10
if (largest < r) {
largest = r
}
n = n %/% 10
}
print(paste("Largest digit is :", largest))
}
```

#### Output:

```
Enter a number :12432
[1] "Largest digit is : 4"
```