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