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