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