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