A four digit continuous natural number can be divisible by 5; 7; 9; 11 respectively to find the natural number Note that it is a four digit continuous natural number, similar to 2345; 5678

A four digit continuous natural number can be divisible by 5; 7; 9; 11 respectively to find the natural number Note that it is a four digit continuous natural number, similar to 2345; 5678

The least common multiple of 5,7,9,11 is 5 * 7 * 9 * 11 = 3465
So this number is a multiple of 3465
3465*2=6930
3465*3〉10000
So there are no four digit numbers