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