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