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