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