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