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