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