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