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Number theory quiz
Five questions on Number theory. Answer all 5 to see your score. Questions are drawn from a bank of 15, so every attempt is different.
Question 1 of 5
Which statement is true?
Question 2 of 5
Using the division algorithm, 53 divided by 6 gives remainder:
Question 3 of 5
Which number is prime?
Question 4 of 5
To test whether 143 is prime, you need only check divisors up to about:
Question 5 of 5
The prime factorisation of 72 is: