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