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