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