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