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