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 {12, 2, 5, 11, 25, 27} → ______
- Prime numbers in {8, 23, 9, 19, 5, 7} → ______
- Prime numbers in {3, 9, 15, 19, 8, 5} → ______
- Prime numbers in {17, 19, 8, 21, 27, 5} → ______
- Prime numbers in {17, 7, 2, 12, 3, 15} → ______
- Prime numbers in {23, 9, 29, 5, 8, 12} → ______
- Prime numbers in {27, 13, 21, 9, 11, 17} → ______
- Prime numbers in {29, 25, 17, 15, 8, 21} → ______
- Prime numbers in {8, 9, 11, 3, 5, 12} → ______
- Prime numbers in {9, 21, 25, 19, 12, 2} → ______
- Prime numbers in {5, 3, 8, 2, 15, 27} → ______
- Prime numbers in {25, 12, 21, 23, 29, 7} → ______
- Prime numbers in {9, 7, 5, 3, 27, 11} → ______
- Prime numbers in {13, 17, 9, 23, 29, 11} → ______
- Prime numbers in {2, 25, 15, 7, 3, 27} → ______
- Prime numbers in {9, 7, 5, 15, 23, 27} → ______
- Prime numbers in {3, 21, 19, 29, 25, 2} → ______
- Prime numbers in {8, 27, 9, 29, 21, 11} → ______
- Prime numbers in {12, 25, 11, 15, 19, 17} → ______
- Prime numbers in {8, 25, 17, 2, 5, 13} → ______