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