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