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