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