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