public class Try
{
static boolean is_odd(int n)
{
if(n==2||n==3) return true
if(n%2==0) return false
int i
for(i=3i<=n/2i+=2)
if(n%i==0) return false
return true
}
public static void main(String[] args)
{
Scanner in=new Scanner(System.in)
System.out.println("输入数值")
int n=in.nextInt()
int i
System.out.print(n+"=")
for(i=2i<=ni++)
{
if(!is_odd(i)) continue
if(n%i==0)
{
while(true)
{
System.out.print(i)
n/=i
if(n!=1) System.out.print("*")
if(n%i!=0) break
}
}
}
System.out.println()
}
}
要给分啊!!!
import java.util.Scannerpublic class test{
public static void main(String []args){
10
int n,m=0
Scanner sc = new Scanner(System.in)
System.out.print("input your number:")
n = sc.nextInt()
m = n
boolean f=true
for (int i=2i<=n/2i++) { //判断是否是素数
if (n%i == 0) {
f = false
break
}
}
if (f) {
System.out.println(n + "=1*" + n)
} else {
boolean s = false
int i = 0
while (n >0)
{
for (i=2i<=n/2i++) {
if (n%i == 0) { //如果i是n的因数
f = true
for (int j=2j<=i/2j++) { //判断i是不是素数
if (i%j == 0) {
f = false
break
}
}
if (f) {
if (s) { //如果不是第一次打印
System.out.print("*" + i)
} else { //如果是第一次打印
System.out.print(i)
s = true
}
n /= i
break
}
}
}
if (i >n/2) {
break
}
}
System.out.println("*" + n + "=" + m)
}
}
}