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