if p represents the product of the first 14 positive integers , then p is not a multiple of :
a ) 99 = 9 * 11 b ) 84 = 4 * 7 * 3 c ) 51 = 17 * 3 d ) 65 = 5 * 13 e ) 57 = 19 * 3 since 17 is not there in first 15 positive numbers it is the only possibility c
multiply(add(14, const_3), const_3)