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