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