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