find the least number of 5 digits which is exactly divisible by 12 , 15 and 18 ?
lcm = 180 180 ) 10000 ( 55 9900 - - - - - - - - - 100 10000 + 180 - 100 = 10080 answer : b
multiply(add(multiply(const_4, const_2), multiply(const_12, const_4)), lcm(lcm(12, 15), 18))