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