Answer / bala

***how we can get plc write sas code? ;
data prime;
input numbers @@;
datalines;
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29
30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
47 48 49 50 51 52 53 54 55 56 57 58
59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75
76 77 78 79 80
;
run;


data p1(drop= p numbers);
set prime;
P=numbers;
if mod(P,1)= 0 and mod(P,P) = 0 and mod(P,2) ^= 0
and mod(P,3) ^= 0 and mod(P,5)^=0 and mod(P,7)^=0 then
Prime_numbers=P;
if P=3 or P=2 or P=5 or P=7 then Prime_numbers=P;
if not missing(prime_numbers);
put prime_numbers;
run;

Answer / sandeep

****** What is prime numbers?******
A) A prime number is a number that cannot be divided by a
number other than 1 and itself.

Answer / santosh reddy

data prime (drop=j count);
do i=100 to 1 by -1;
count=0;
do j=i to 1 by -1;
if mod(i,j)=0 then count+1;
end;
if count=2 then output;
/* output;*/
end;
run;

Answer / nandu

A small correction in the above one.

Data samp;
input number1 @@;
cards;
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
;
run;
data samp2;
set samp;
number2=number1 ;
if mod(number1,1) eq 0 and mod(number1,number2) eq 0
and (mod(number1,2) ne 0 and mod(number1,3) ne 0 and mod(number1,5) ne 0 and mod(number1,7) ne 0 and mod(number1,9) ne 0) then output ;
run;

Answer / nandu

Data samp;
input number1 @@;
cards;
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
;
run;
data samp2;
set samp;
number2=number1 ;
if mod(number1,1) eq 0 and mod(number1,number2) eq 0 then
output ;
run;

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