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