Math Problem Statement
Prime factors (numbers under 50) Grade 4 Factoring Worksheet Example: 24 = 2x 2x2 X 3 (No - not prime) List the prime factors for each number. Is the number prime? 1) 12 ＝ 2) 44 = 3) 33 = 4) 35 = 5) 31 = 6) 36 = 7） 17 = 8) 23 = 9) 22 = 10) 26 = 11) 42 = 12) 7 = 13) 2 = 14) 28 = 15) 9 = 16) 16 =
Solution
Here are the prime factorizations for each number, followed by whether the number is prime:
-
12 = 2 × 2 × 3
- Is the number prime? No
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44 = 2 × 2 × 11
- Is the number prime? No
-
33 = 3 × 11
- Is the number prime? No
-
35 = 5 × 7
- Is the number prime? No
-
31 = 31
- Is the number prime? Yes
-
36 = 2 × 2 × 3 × 3
- Is the number prime? No
-
17 = 17
- Is the number prime? Yes
-
23 = 23
- Is the number prime? Yes
-
22 = 2 × 11
- Is the number prime? No
-
26 = 2 × 13
- Is the number prime? No
- 42 = 2 × 3 × 7
- Is the number prime? No
- 7 = 7
- Is the number prime? Yes
- 2 = 2
- Is the number prime? Yes
- 28 = 2 × 2 × 7
- Is the number prime? No
- 9 = 3 × 3
- Is the number prime? No
- 16 = 2 × 2 × 2 × 2
- Is the number prime? No
Would you like any further details or have any questions?
Here are five additional related questions for practice:
- What are the prime factors of 45?
- Is 29 a prime number? If so, why?
- What is the smallest prime factor of 48?
- How can you tell if a number is prime?
- Find the prime factorization of 50.
Tip: Prime numbers only have two distinct factors: 1 and the number itself. All other numbers are composite!
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Math Problem Analysis
Mathematical Concepts
Prime Factorization
Prime Numbers
Multiplication
Formulas
-
Theorems
Prime Factorization Theorem
Suitable Grade Level
Grade 4