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