Without making any actual division, show that 2300023 is divisible by 23. - Mathematics

Without making any actual division, show that 2300023 is divisible by 23.

Answer in Brief

2300023 = 2300000 + 23
= 23 x (100000 + 1)
= 23 x 100001
Clearly, 2300023 is divisible by 23.

shaalaa.com

Is there an error in this question or solution?

Chapter 9: Playing with Numbers - Exercise 9 (B)

Chapter 9 Playing with Numbers
Exercise 9 (B) | Q 8

Find whether the following number is divisible by 4: 532

Find whether the following number is divisible by 15: 5013

In the following number, replace M by the smallest number to make resulting number divisible by 3: 64M3

State, true or false:

If a number is a factor of 16 and 24, it is a factor of 48

Write the factors of the following number.

The factors of a number are 1, 2, 4, 5, 8, 10, 16, 20, 40 and 80. What is the number?

Pick the number which is not a multiple of 6

Find all the multiples of 9 up to 100.

Write all the factors of the following number.