Basic Numeracy
BNU1501
Department of Decision Sciences
Assignment 02 for Semester 01 2023 (compulsory)
Unique Number: N/A
Due Date: 23 March 2023
Question 1
Which one of the following is a prime number?
[1] 14
[2] 15
[3] 18
[4] 19
Answer:
What is a prime number?
A prime number is a whole number greater than 1 with only two factors –
themselves and 1.
A prime number cannot be divided by any other positive integers without leaving a
remainder, decimal or fraction.
What are the prime numbers from 1 to 100?
The prime numbers from 1 to 100 are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41,
43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97.
Why is 1 not a prime number?
1 is not a prime number because it has only one factor, namely 1. Prime numbers
need to have exactly two factors.
Why is 2 a prime number?
, 2 is a prime number because its only factors are 1 and itself.
Is 51 a prime number?
51 is not a prime number because it has 3 and 17 as divisors, as well as itself and 1.
In other words, 51 has four factors.
BNU1501
Department of Decision Sciences
Assignment 02 for Semester 01 2023 (compulsory)
Unique Number: N/A
Due Date: 23 March 2023
Question 1
Which one of the following is a prime number?
[1] 14
[2] 15
[3] 18
[4] 19
Answer:
What is a prime number?
A prime number is a whole number greater than 1 with only two factors –
themselves and 1.
A prime number cannot be divided by any other positive integers without leaving a
remainder, decimal or fraction.
What are the prime numbers from 1 to 100?
The prime numbers from 1 to 100 are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41,
43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97.
Why is 1 not a prime number?
1 is not a prime number because it has only one factor, namely 1. Prime numbers
need to have exactly two factors.
Why is 2 a prime number?
, 2 is a prime number because its only factors are 1 and itself.
Is 51 a prime number?
51 is not a prime number because it has 3 and 17 as divisors, as well as itself and 1.
In other words, 51 has four factors.
