If you want to start learning the R programming or you have a bit knowledge about R programming, then this tutorial will help you to explore more. In this tutorial, we are going to share a **R program to check Prime Number** with an example.

Copy the below code and execute it to see the program output.

R

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num = as.integer(readline(prompt="Enter a number: ")) flag = 0 # prime numbers are greater than 1 if(num > 1) { # check for factors flag = 1 for(i in 2:(num-1)) { if ((num %% i) == 0) { flag = 0 break } } } if(num == 2) flag = 1 if(flag == 1) { print(paste(num,"is a prime number")) } else { print(paste(num,"is not a prime number")) } |

Enter a number: 25

“25 is not a prime number”

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