primetest
nounUK /ˈpraɪm.tɛst/
US /ˈpraɪm.tɛst/
A primetest is a check to see if a number can only be divided by one and itself.
The teacher asked us to run a primetest on the number 17.
OTHER MEANINGS
2. A quick check used in computer programs to decide if a number is prime.
The code uses a fast primetest before generating the key.
3. Any method or rule for proving that a number has no divisors other than one and itself.
Eratosthenes' sieve is an old primetest taught in math class.
4. A trial or examination of whether something is in its first or best state.
The coach gave the new players a primetest to see who was ready.