This math topic focuses on identifying prime numbers from a pair of numbers. It is part of a larger unit concerning factoring and the greatest common factor. The exercise presents pairs of numbers, and students must determine which of the two numbers is prime. The topic consists of multiple problems, each requiring the student to choose the prime number from the options provided. This helps students enhance their understanding of prime numbers and their ability to differentiate them from composite numbers.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
Practice:
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?
65,71
Which Number of a Pair is Prime Worksheet
| Math worksheet on 'Which Number of a Pair is Prime (Level 4)'. Part of a broader unit on 'Factoring and Primes - Advanced' Learn online: app.mobius.academy/math/units/factoring_and_primes_advanced/ |
| Which of these two numbers is a prime number? |
| 49,53 |
| 49 |
| 53 |
| Which of these two numbers is a prime number? |
| 67,82 |
| 67 |
| 82 |
| Which of these two numbers is a prime number? |
| 65,71 |
| 65 |
| 71 |
| Which of these two numbers is a prime number? |
| 43,46 |
| 43 |
| 46 |
| Which of these two numbers is a prime number? |
| 67,69 |
| 67 |
| 69 |
| Which of these two numbers is a prime number? |
| 43,62 |
| 43 |
| 62 |
| Which of these two numbers is a prime number? |
| 73,75 |
| 73 |
| 75 |