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