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