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