This math topic focuses on identifying whether a given number is prime or composite. It enhances students' understanding of prime numbers (numbers that have only two distinct positive divisors: 1 and themselves) and composite numbers (numbers that have more than two divisors). The problems presented involve examining individual numbers to classify them as either prime or composite.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
Practice:
Is the Number Prime or Composite
Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.
Is this a prime or a composite number?
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Is the Number Prime or Composite Worksheet
| Math worksheet on 'Is the Number Prime or Composite (Level 2)'. Part of a broader unit on 'Factoring and Primes - Advanced' Learn online: app.mobius.academy/math/units/factoring_and_primes_advanced/ |
1
| Is this a prime or a composite number? |
| 29 |
a
| Prime |
b
| Composite |
2
| Is this a prime or a composite number? |
| 39 |
a
| Prime |
b
| Composite |
3
| Is this a prime or a composite number? |
| 45 |
a
| Prime |
b
| Composite |
4
| Is this a prime or a composite number? |
| 35 |
a
| Prime |
b
| Composite |
5
| Is this a prime or a composite number? |
| 31 |
a
| Prime |
b
| Composite |
6
| Is this a prime or a composite number? |
| 43 |
a
| Prime |
b
| Composite |
7
| Is this a prime or a composite number? |
| 55 |
a
| Prime |
b
| Composite |