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