Prime checker
Prime checker — integer ≤ 10^12. Processed on your device.
Input
Example only; use “Try an example” to fill it in.
integer ≤ 10^12
Result —
Processed on your device · Free to use · No sign-up
Example input and output
Input
104729
Result
104729: ✓
How to use
- Input
- Convert
- Copy result
Input format & limitations
Prime checker — integer ≤ 10^12. Processed on your device.
Frequently asked questions
Do I need to upload data or sign up?
Local tools do not send input. IP and DNS lookups send the query and connection IP to the listed third parties only after a click.