
Understanding Prime Numbers and the Exclusion of 1

Interactive Video
•
Mathematics, Science
•
7th - 10th Grade
•
Hard

Jackson Turner
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why was 1 historically considered a prime number?
It is a composite number.
It is an even number.
It is the smallest number.
It is divisible by 1 and itself.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Fundamental Theorem of Arithmetic state?
Every number can be divided by 1.
Every positive whole number can be written as a unique product of primes.
Prime numbers are divisible by 2.
1 is a prime number.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might the Fundamental Theorem of Arithmetic be considered 'pompous'?
Because it is easy to understand.
Because it includes 1 as a prime.
Because it is not useful.
Because it has a grand name.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the word 'unique' important in the Fundamental Theorem of Arithmetic?
It shows that numbers can be divided by 1.
It indicates that there is only one way to write a number as a product of primes.
It means that all numbers are prime.
It suggests that 1 is a prime number.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What problem arises if 1 is considered a prime number?
It would make 2 not a prime number.
It would make 1 a composite number.
It would disrupt the uniqueness of prime factorization.
It would make the list of prime numbers too long.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it more useful to exclude 1 from the list of prime numbers?
To simplify mathematical theorems.
To make 1 a composite number.
To include more numbers in the list.
To make calculations easier.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an empty product?
A product of zero prime numbers.
A product of two prime numbers.
A product with no numbers.
A product of one prime number.
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