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