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