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