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