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