你是个小笨蛋

i 给你呀

declare function f(n)
input n
print f(n)
end
function f(n)
m=1
for j=1 to int(sqr(n))
if m mod j =0 then m=0 :exit for
next j
if m=1 then print "是素数“
else
print "不是素数"
end if
end function