Advertisements
Advertisements
Question
State if the following is a prime number?
161
Advertisements
Solution
A number between 100 and 200 is a prime number if it is not divisible by any prime number less than 15.
Similarly, a number between 200 and 300 is a prime number if it is not divisible by any prime number less than 20.
161 is a not prime number because it is divisible by 7.
APPEARS IN
RELATED QUESTIONS
Test the divisibility of the following number by 2:
59628
Test the divisibility of the following number by 3:
10038
Test the divisibility of the following numbers by 9:
257106
In the following number, replace * by the smallest number to make it divisible by 9:
65*5
In the following number, replace * by the smallest number to make it divisible by 9:
6702*
In the following number, replace * by the smallest number to make it divisible by 11:
39*43
State if the following is a prime number?
331
Which of the following numbers is divisible by 4?
What least number should be replaced for * so that the number 67301*2 is exactly divisible by 9?
Which of the following numbers is divisible by 6?
