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