Question

Which number should be added to 195 so that it becomes prime?

Answer 1

to make 195 a prime no. we can add either 2 or 4
since 195+2 = 197
or 195+4 = 199
these both are prime numbers

Answer 2

Answer:

2

Step-by-step explanation:

Given : Number is 195

To Find: Which number should be added to 195 so that it becomes prime?

Solution:

Prime numbers : A number that is divisible only by itself and 1 is called Prime numbers

So, 195 is divisible by 5

195+1 = 196

196 is divisible by 2

195+2 = 197

197 is divisible by 1 and itself only.

So, it is a prime number .

Hence 2 should be added to 195 so that it becomes prime.