divisibility check
nounUK /dɪˌvɪzəˈbɪləti tʃɛk/
US /dɪˌvɪzəˈbɪləti tʃɛk/
A divisibility check is a quick way to see if one number can be divided by another without a remainder.
Using a divisibility check, she saw that 51 is divisible by 3 because its digits add up to 6.
OTHER MEANINGS
2. A method in computer science that tests whether an integer is evenly divisible by another.
The program runs a divisibility check before grouping the items into pairs.
3. A classroom exercise where students decide whether numbers divide evenly.
The teacher gave a short divisibility check quiz on the rules for 2, 5, and 10.
4. A step in a math proof that confirms one quantity divides another exactly.
The proof begins with a divisibility check on the polynomial coefficients.