Factors & Multiples WorksheetsGrades 4–5
Identify Prime or Composite Numbers Worksheets
Determine whether each whole number is prime or composite using trial division.
Identify Prime or Composite Numbers
Seed #104729Name:
Date:
Write whether each number is prime or composite.
1)
31 = ______
2)
43 = ______
3)
23 = ______
4)
19 = ______
5)
38 = ______
6)
57 = ______
7)
74 = ______
8)
27 = ______
9)
15 = ______
10)
73 = ______
11)
50 = ______
12)
25 = ______
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