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