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