Is 173 a prime? Why?

Sum

Yes, 173 is a prime.

Because it has only 1 and itself as factors.

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Chapter 1: Numbers - Exercise 1.3 [Page 22]

Chapter 1 Numbers
Exercise 1.3 | Q 2 | Page 22

Without making any actual division, show that the following number is divisible by 8.

240008

Find whether the following number is divisible by 8: 92760

Find whether the following number is divisible by 5: 66666

Find whether the following number is divisible by 15: 10243

In the following number, replace M by the smallest number to make resulting number divisible by 11: 39M2

Write down the factors of 20.

State if the following number is even or odd.
58

Draw a picture of factor tree.

Write down the first 5 multiples of the given number.

Write all the factors of the following number.