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