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