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