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