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