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Hi, Anybody could you Please tell me How to write the
script for Checking whether given number is Prime Number or
not..Thanks in Advance

Answers were Sorted based on User's Feedback



Hi, Anybody could you Please tell me How to write the script for Checking whether given number is ..

Answer / sumit

//An Extremely Efficient method.
void chkprime(int n)
{
int i=2,j=1;
for(;i<=n/i;j++,i++)
{
if (n%i == 0)
{
break;
}
}

if ( n%i != 0 )
printf("%d is prime. Comparisons: %d\n",n,j);
}

Is This Answer Correct ?    2 Yes 0 No

Hi, Anybody could you Please tell me How to write the script for Checking whether given number is ..

Answer / pankaj jaju

Function IsPrime(Num)
Dim varNum, varCtr, varLimit
varLimit = Round(Num/2)

For varCtr = 2 To varLimit
varNum = Num Mod varCtr

If varNum = 0 Then
IsPrime = False
Exit For
End If
Next

If varCtr >= varLimit Then
IsPrime = True
End If
End Function

Is This Answer Correct ?    0 Yes 0 No

Hi, Anybody could you Please tell me How to write the script for Checking whether given number is ..

Answer / anwar basha

n=cint(inputbox("enter the number"))
if n=0 then
msgbox " invalid no"
end if

flag=0
for i=1 to n-1
if n mod i =0 then
falg=1
end if
exit for
next

if falg=1 then
msgbox "not a prime num"
else
msgbox "prime no"
end if

Is This Answer Correct ?    0 Yes 0 No

Hi, Anybody could you Please tell me How to write the script for Checking whether given number is ..

Answer / manu

x=inputbox("enter a number")

prime = TRUE
for i = 0 to x-1
if x mod 2 = 0 then
prime = FALSE
end if
next

if prime then
msgbox "prime number"
else
msgbox "not prime"
end if

Is This Answer Correct ?    0 Yes 2 No

Hi, Anybody could you Please tell me How to write the script for Checking whether given number is ..

Answer / nisar

Dim i,num
num=CInt(InputBox("Enter the numbers to limit the
Prime:"))
i = 3
While i <= num
bIsPrime = True
j = 2
While j <= i\2 And bIsPrime
bIsPrime = i Mod j > 0
j = j + 1
Wend
If bIsPrime Then
Wscript.echo("Found a prime number: " & i)
End If
i = i + 2
Wend

Is This Answer Correct ?    0 Yes 7 No

Hi, Anybody could you Please tell me How to write the script for Checking whether given number is ..

Answer / anant

boolean isPrime(int num){
if(num==0 || num==1){
System.out.println("Number should be greater than 1");
System.Exit(0);
}
if(num%2==0 || num%3==0 || num%5==0 || num%7==0)
System.out.println("Number is not prime");
else
System.out.println("Number is prime");
}

Is This Answer Correct ?    2 Yes 14 No

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