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