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