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