Question

Without actual division show that:. 23 is a factor of 2300023​

Answer 1

it can be written as (2300000+23)now take 23 common out it becomes...23(100001)..now it means 23 is a factor of the given no.

Answer 2

2300023 = 2300000 + 23

= 23 x (100000 + 1)

= 23 x 100001

Clearly, 2300023 is divisible by 23.