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