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