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