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