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