What is the 6 digit number using 1,2,3,4,5,& 6

Question

The first digit is divisible by 1, the first 2 digits are divisible by 2, the first 3 digits are divisible by 3, the fist 4 digits are divisible by 4, the first 5 digits are divisible by 5 and the entire 6 digit number is divisible by 6

Answer 1

One answer is 123654. 12 is divisible by 2; 123 is divisible by 3; 1236 is divisible by 4; 12365 is divisible by 5; and the whole number is divisible by 6.