Prime Number Checker: instructions, examples and limits
Tests divisibility by 2 and odd integers through the square root.
Open Prime Number CheckerThis tool is registered for local processing. Its tool input is handled in the current page; LittleKit’s product analytics do not include the input value.
What it does
Tests divisibility by 2 and odd integers through the square root.
Worked example
97 is prime; 91 is divisible by 7.
The example demonstrates the operation. For file-based tools, results depend on the selected file and options.How the result is produced
Tests divisibility by 2 and odd integers through the square root.
Important limits
Integers 0–1,000,000,000,000. This deterministic tool is not a cryptographic prime generator.
Choosing the next step
Enter values in the units and convention named by the page, then compare the displayed formula with your question. For money, change the assumptions rather than treating an estimate as an offer; for statistics, decide whether the data represents a sample or a full population.
See a mismatch between these instructions and the tool? Report a correction with a non-sensitive example.