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Prime Roman Numerals Trivia Quiz

Sometimes it is difficult to work out whether a number is a prime number, exactly divisible only by itself and one. Let's see if it helps to use Roman Numerals.

A multiple-choice quiz by KentQuizzer. Estimated time: 3 mins.

Author
KentQuizzer

Time
3 mins

Type
Multiple Choice

Quiz #
379,316

Updated
Dec 03 21

# Qns
10

Difficulty
Average

Avg Score
7 / 10

Plays
365

One at a Time - Single Page - Timed Game

Question 1 of 10

1. Which of these Roman Numerals represents a prime number, exactly divisible only by itself and 1? Hint

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Question 2 of 10

2. Which of these Roman Numerals represents a prime number, exactly divisible only by itself and 1? Hint

XII

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Question 3 of 10

3. Which of these Roman Numerals represents a prime number, exactly divisible only by itself and 1? Hint

XXV

XXI

XIX

XXII

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Question 4 of 10

4. Which of these Roman Numerals represents a prime number, exactly divisible only by itself and 1? Hint

XXXVII

XXXV

XXXIII

XXXIX

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Question 5 of 10

5. Which of these Roman Numerals represents a prime number, exactly divisible only by itself and 1? Hint

LIII

LII

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Question 6 of 10

6. Which of these Roman Numerals represents a prime number, exactly divisible only by itself and 1? Hint

CXIX

CXI

CXIII

CXVII

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Question 7 of 10

7. Which of these Roman Numerals represents a prime number, exactly divisible only by itself and 1? Hint

CLXXI

CLXXVII

CLXXV

CLXXIII

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Question 8 of 10

8. Which of these Roman Numerals represents a prime number, exactly divisible only by itself and 1? Hint

DIII

DVII

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Question 9 of 10

9. Which of these Roman Numerals represents a prime number, exactly divisible only by itself and 1? Hint

MIX

MIII

MVII

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Question 10 of 10

10. Which of these Roman Numerals represents a prime number, exactly divisible only by itself and 1? Hint

MMXVII

MMXXI

MMXIX

MMXXIII

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Quiz Answer Key and Fun Facts

1. Which of these Roman Numerals represents a prime number, exactly divisible only by itself and 1?

Answer: V

V - 5 - is a prime number. The others are all multiples of 5.

2. Which of these Roman Numerals represents a prime number, exactly divisible only by itself and 1?

Answer: XI

XI - 11 - is a prime number. The others - 9, 10 and 12 - are made by multiplying other numbers.

3. Which of these Roman Numerals represents a prime number, exactly divisible only by itself and 1?

Answer: XIX

XIX - 19 - is a prime number. The others - 21, 22 and 25 - are made by multiplying other numbers.

4. Which of these Roman Numerals represents a prime number, exactly divisible only by itself and 1?

Answer: XXXVII

XXXVII - 37 - is a prime number. The others - 33, 35 and 39 - are made by multiplying other numbers.

5. Which of these Roman Numerals represents a prime number, exactly divisible only by itself and 1?

Answer: LIII

LIII - 53 - is a prime number. The others - 50, 51 and 52 - are made by multiplying other numbers.

6. Which of these Roman Numerals represents a prime number, exactly divisible only by itself and 1?

Answer: CXIII

CXIII - 113 - is a prime number. The others - 111, 117 and 119 - are made by multiplying other numbers.

7. Which of these Roman Numerals represents a prime number, exactly divisible only by itself and 1?

Answer: CLXXIII

CLXXIII - 173 - is a prime number. The others - 171, 175 and 177 - are made by multiplying other numbers.

8. Which of these Roman Numerals represents a prime number, exactly divisible only by itself and 1?

Answer: DIII

DIII - 503 - is a prime number. The others - 501, 505 and 507 - are made by multiplying other numbers.

9. Which of these Roman Numerals represents a prime number, exactly divisible only by itself and 1?

Answer: MIX

MIX - 1009 - is a prime number. The others - 1001, 1003 and 1007 - are made by multiplying other numbers.

10. Which of these Roman Numerals represents a prime number, exactly divisible only by itself and 1?

Answer: MMXVII

MMXVII - 2017 - is a prime number. The others - 2019, 2021 and 2023 - are made by multiplying other numbers.

Source: Author KentQuizzer

This quiz was reviewed by FunTrivia editor Pagiedamon before going online.
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