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