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