Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {7, 12, 29, 19, 27, 23} → ______
- Prime numbers in {9, 15, 7, 13, 21, 5} → ______
- Prime numbers in {9, 3, 25, 21, 7, 17} → ______
- Prime numbers in {5, 3, 8, 12, 9, 25} → ______
- Prime numbers in {13, 19, 21, 15, 25, 2} → ______
- Prime numbers in {3, 12, 21, 2, 19, 8} → ______
- Prime numbers in {29, 7, 2, 3, 5, 19} → ______
- Prime numbers in {25, 7, 2, 15, 17, 21} → ______
- Prime numbers in {19, 25, 11, 27, 29, 9} → ______
- Prime numbers in {5, 7, 12, 15, 21, 11} → ______
- Prime numbers in {3, 9, 19, 25, 13, 21} → ______
- Prime numbers in {21, 29, 9, 23, 17, 7} → ______
- Prime numbers in {8, 5, 11, 15, 23, 7} → ______
- Prime numbers in {2, 7, 8, 13, 17, 29} → ______
- Prime numbers in {23, 21, 11, 5, 13, 12} → ______
- Prime numbers in {8, 3, 25, 21, 13, 2} → ______
- Prime numbers in {21, 25, 23, 29, 8, 9} → ______
- Prime numbers in {17, 29, 19, 5, 21, 27} → ______
- Prime numbers in {17, 19, 2, 27, 3, 25} → ______
- Prime numbers in {11, 23, 17, 21, 3, 29} → ______