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