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