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