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