The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number 600851475143 ? 2. 解法(by java in Eclipse) way1 way2 注:利用分解质因数的方法,从小向大用质数整除(如果此质数恰好是n的因数的话)n,即不断的减小n的规模,最后即可求的最大质因数。 法二,采用...
再通过sum计算累加,改变之后primeNum[i]为数 i的最大素数因子的序号。 import java.util.Arrays; import java.util.Scanner;publicclassMain{staticintprimeNum[] =newint[1000002];publicstaticvoidmain(String[] args){ dabiao(); Scanner sc =newScanner(System.in);while(sc.hasNext()) {intn = sc.next...
import java.util.Arrays; import java.util.Scanner; public class Main{ static int primeNum[] = new int[1000002]; public static void main(String[] args) { dabiao(); Scanner sc = new Scanner(System.in); while (sc.hasNext()) { int n = sc.nextInt(); System.out.println(primeNum[n]...
Time Limit: 5000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 3961Accepted Submission(s): 1393 Problem Description Everybody knows any number can be combined by the prime number. Now, your task is telling me what position of the largest prime factor....
再通过sum计算累加,改变之后primeNum[i]为数 i的最大素数因子的序号。 importjava.util.Arrays;importjava.util.Scanner;publicclassMain{staticint primeNum[]=newint[1000002];publicstaticvoidmain(String[]args){dabiao();Scanner sc=newScanner(System.in);while(sc.hasNext()){int n=sc.nextInt();System...
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再通过sum计算累加,改变之后primeNum[i]为数 i的最大素数因子的序号。 import java.util.Arrays; import java.util.Scanner;publicclassMain{staticintprimeNum[] =newint[1000002];publicstaticvoidmain(String[] args){ dabiao(); Scanner sc =newScanner(System.in);while(sc.hasNext()) {intn = sc.next...