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