Find the lest number that is divisible by all the numbers between $1$ and $10$ (both inclusive).

Divisible by all $1$ to $10$

LCM of $1,2,3,4,5,6,7,8,9,10$

$=2^3\times 3^2\times 5\times 7$

$=8\times 9\times 5\times 7$

$=280\times 9$

$=2520$

Hence, the answer is $2520.$