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