what is the smallest number which when increased by 3 is divisible by 18 , 70 , 100 and 84 ?
"when increased by 3 , the number must include at least 2 ^ 2 * 3 ^ 2 * 5 ^ 2 * 7 = 6300 the answer is d ."
add(lcm(lcm(18, 70), lcm(100, 84)), 3)