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