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