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