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