Using system call $$ CreateThread $()$ to create three threads:

$1.$ Calculate the summation of n integers.

$2.$ Calculate the multiplicative product of n integers.

$3.$ Find all the primes within $1$ to n$.$

$1.$ Calculate the summation of n integers.

$2.$ Calculate the multiplicative product of n integers.

$3.$ Find all the primes within $1$ to n$.$

the batch file.

$$Batch file:

$$C:$\backslash$windows

otepad.exe

$$C:$\backslash$windows$\backslash$regedit$.$exe

$$C:$\backslash$windows$\backslash$write$.$exe