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