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