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