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