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