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