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