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