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