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