[prime number] 用做因数的质数,如15=35,3、5都是15的质因数
您可能见到过大整数质因数分解,或是对复杂数据结构的庞大列表进行分类,这些都是长时间运行的操作。
You might see examples of prime factorizations of large integers , or sorting huge lists of complex data structures , and those are certainly long running operations .