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