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