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