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