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