what is the least 4-digit number that is exactly divisible by 21? Share with your friends Share 0 Lovina Kansal answered this Dear student least four digit number= 1000On dividing 1000 by 21 we get remainder as 13 and quotient as 47.Now, subtract remainder 13 from 21 and we get 8.Now, add 8 to 1000 to get 1008.Therefore, 1008 is the least four digit number which is exactly divisible by 21. Regards 2 View Full Answer Mehul Agarwal answered this 1008 21x48 -1 Lopamudra Panda answered this 1008 0