A number which is divisibel by 1 to 9 is?

The number is 381654729 because

381654729 / 9 = 42406081
38165472 / 8 = 477068
3816547 / 7 = 545221
381654 / 6 = 63609
38165 / 5 = 7633
3816 / 4 = 954
381 / 3 = 127
38 / 2 = 19
3 / 1 = 3

I am not sure what you are doing but 381654729 is not divisible by 2

1*2*3*4*5*6*7*8*9
take out factors of bigger numbers
5*6*7*8*9
do not need 6 because 2 in 8 and 3 in 9
5*7*8*9
= 2520

To find a number that is divisible by 1 to 9, we need to find the least common multiple (LCM) of the numbers from 1 to 9.

The LCM is the smallest positive integer that is divisible by each of the given numbers without leaving any remainder.

To find the LCM of numbers, you can use the following steps:
1. List down the prime factors of each number in the given range (1 to 9).
- Prime factors of 1 = None (1 is not a prime number).
- Prime factors of 2 = 2.
- Prime factors of 3 = 3.
- Prime factors of 4 = 2^2.
- Prime factors of 5 = 5.
- Prime factors of 6 = 2 * 3.
- Prime factors of 7 = 7.
- Prime factors of 8 = 2^3.
- Prime factors of 9 = 3^2.

2. Take the highest power of each unique prime factor from step 1.
- Highest power of 2 = 2^3 (from 8).
- Highest power of 3 = 3^2 (from 9).
- Highest power of 5 = 5.
- Highest power of 7 = 7.

3. Multiply all the prime factors obtained in step 2.
LCM = 2^3 * 3^2 * 5 * 7
= 8 * 9 * 5 * 7
= 2520.

Therefore, the number that is divisible by 1 to 9 is 2520.