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