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