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