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