Which Number of a Pair is Prime

Level 1

This math topic focuses on identifying prime numbers from a pair of numbers. It involves comparing two numbers and determining which one is a prime number. The problems progress from easier pairings to more challenging ones, enhancing the learner's ability to recognize prime numbers in various contexts. This is part of a broader unit that introduces factoring and prime numbers.

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Which Number of a Pair is Prime

Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.


Which of these two numbers is a prime number?

9,13

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