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