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