Tips & Tricks L.C.M. of 2, 4, 6 and 8 is 24. ⇒ 1000 ÷ 24 = 41.67 (Means 42th term, the least number of four digits) ⇒ 24 × 42 = 1008 ∴ The least number of four digits which is exactly divisible by 2, 4, 6 and 8 is 1008. Short trick, By option, we can check, ∴ 1008 is divisible by 2, 4, 6 and 8.