Prime number
01
质数
a number greater than 1 with only two devisors which can be itself or 1
例子
7 is a prime number because its only divisors are 1 and 7.
7是一个质数，因为它的除数只有1和7。
Cryptography relies on the properties of prime numbers for secure encryption.
密码学依赖于素数的特性进行安全加密。
