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