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