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