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