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