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