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