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