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