Advertisements
Advertisements
Question
State if the following is a prime number?
179
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.
179 is a prime number because it is not divisible by 2, 3, 5, 7, 11, and 13.
APPEARS IN
RELATED QUESTIONS
Test the divisibility of the following number by 3:
733
Test the divisibility of the following number by 4:
63712
Test the divisibility of the following numbers by 7:
117
Test the divisibility of the following number by 11:
137269
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:
91*67
Test the divisibility of 10001001 by 3.
Test the divisibility of 10203574 by 4.
State if the following is a prime number?
103
Write (T) for true and (F) for false against the following statement:
If a number is divisible by 8, it must be divisible by 4.
