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