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