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