Is 173 a prime? Why?

योग

Yes, 173 is a prime.

Because it has only 1 and itself as factors.

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अध्याय 1: Numbers - Exercise 1.3 [पृष्ठ २२]

अध्याय 1 Numbers
Exercise 1.3 | Q 2 | पृष्ठ २२

Find whether the following number is divisible by 4: 678

Find whether the following number is divisible by 8: 92760

Find whether the following number is divisible by 15: 8295

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

State, true or false:

If a divide b and c completely, then a divides
(i) a + b
(ii) a – b
also completely.

State if the following number is even or odd.
58

Write five three-digit numbers that are multiples of 2.

Write down the first 5 multiples of the given number.

The steps on which both the cat and the mouse jump - ____________

Write all the factors of the following number.