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