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