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