Prime Numbers

Q. If $49392=a^4{b}^2{c}^3$, find the values of a, b and c, where a, b and c are different positive primes.

Q.

Express following prime number as the sum of three primes - :

$23=...........+.........+...........$

Q.

Write $59$ as the sum of three prime numbers.

Q. FIND THE LCM OF 1 AND PIE

Q.

Write down all the prime numbers between:

$16and27$

Q.

The sum of prime factors of 4620 is:

1. 32

2. 30

3. 34

4. 28

Q.

Which Is The Smallest Composite Number?

Q. Which of the following collections are sets?
(i) The collection of prime numbers
(ii) The collection of easy sub topics in this chapter.
(iii) The collection of good teachers in your school.
(iv) The collection of girls in your class.
(v) The collection of odd natural numbers.

Q. Every composite number can be factorised as a product of its primes, and this is unique, apart from the order in which the factors occur.

1. True
2. False

Q.

The sum of prime factors of 4620 is:

1. 32

2. 28

3. 30

4. 34