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