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