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